Library / Philosophy
Philosophy
From Plato to pragmatism in dozens of languages — the biggest shelf in the library, three thousand works of people thinking. 3,132 books.
3,132 shown
| Title | Author | Group | Language | Released | Size | # |
|---|---|---|---|---|---|---|
| -Beautiful Thoughts- | — | Conduct, society & education | English | — | 140.6K | 13677 |
| 'Of Genius', in The Occasional Paper, and Preface to The Creation | Aaron Hill | Essays & miscellany | English | May 20, 2005 | 113.0K | 15870 |
| "About My Father's Business": Work Amidst the Sick, the Sad, and the Sorrowing | Thomas Archer | Conduct, society & education | English | January 20, 2016 | 569.0K | 50973 |
| "Bethink Yourselves!" | graf Leo Tolstoy | Essays & miscellany | English | November 7, 2008 | 100.6K | 27189 |
| "How Can I Help to Abolish Slavery?" or, Counsels to the Newly Converted | Maria Weston Chapman | Conduct, society & education | English | May 9, 2022 | 48.0K | 68031 |
| "I Believe" and other essays | Guy Thorne | Essays & miscellany | English | October 25, 2012 | 404.4K | 41178 |
| "Imperialism" and "The Tracks of Our Forefathers" | Charles Francis Adams | Essays & miscellany | English | August 17, 2005 | 100.2K | 16542 |
| "My Visit to Tolstoy": Five Discourses | Joseph Krauskopf | Essays & miscellany | English | June 13, 2015 | 127.4K | 49203 |
| "Nothing Between" | Edward Hoare | Essays & miscellany | English | June 29, 2016 | 38.8K | 52430 |
| "The Kingdom of God Is Within You" | graf Leo Tolstoy | Religion & theology | English | July 26, 2013 | 735.7K | 43302 |
| "The Kingdom of God Is Within You" | graf Leo Tolstoy | Religion & theology | English | November 1, 2003 | 739.2K | 4602 |
| A babonák könyve | János Varga | Essays & miscellany | Hungarian | October 24, 2021 | 299.8K | 66603 |
| A Beginner's History of Philosophy, Vol. 1: Ancient and Mediæval Philosophy | Herbert Ernest Cushman | Essays & miscellany | English | March 21, 2020 | 746.5K | 61651 |
| A Beginner's History of Philosophy, Vol. 2: Modern Philosophy | Herbert Ernest Cushman | Essays & miscellany | English | July 16, 2020 | 714.3K | 62663 |
| A Biblia da Humanidade | Antero de Quental | Essays & miscellany | Portuguese | June 18, 2010 | 44.7K | 32868 |
| A Biographical Dictionary of Freethinkers of All Ages and Nations | J. M. Wheeler | Essays & miscellany | English | November 30, 2010 | 785.3K | 34513 |
| A Body of Divinity, Vol. 4 (of 4) | Thomas Ridgley | Essays & miscellany | English | June 1, 2021 | 1.4M | 65484 |
| A boke made by John Fryth, prysoner in the Tower of London | John Frith | Essays & miscellany | English | October 21, 2022 | 289.1K | 69199 |
| A Book of Gems, or, Choice selections from the writings of Benjamin Franklin | Benjamin Franklin | Essays & miscellany | English | January 20, 2018 | 768.6K | 56404 |
| A Book of Jewish Thoughts | — | Religion & theology | English | May 27, 2018 | 528.0K | 57218 |
| A Budget of Paradoxes, Volume I | Augustus De Morgan | Essays & miscellany | English | October 20, 2007 | 882.2K | 23100 |
| A Budget of Paradoxes, Volume II | Augustus De Morgan | Essays & miscellany | English | August 23, 2008 | 807.0K | 26408 |
| A Candid Examination of Theism | George John Romanes | Essays & miscellany | English | August 7, 2006 | 432.0K | 19003 |
| A Century of Emblems | George Spencer Cautley | 19th century | English | October 6, 2011 | 104.1K | 37648 |
| A Chesterton Calendar | G. K. Chesterton | Essays & miscellany | English | May 29, 2014 | 249.7K | 45811 |
| A Christian Directory, Part 4: Christian Politics | Richard Baxter | Religion & theology | English | October 17, 2013 | 1.5M | 43967 |
| A Christmas Sermon | — | Religion & theology | English | — | 16.3K | 14535 |
| A Class Room Logic | George Hastings McNair | Essays & miscellany | English | September 16, 2018 | 802.1K | 57912 |
| A Coal From The Altar, To Kindle The Holy Fire of Zeale | Samuel Ward | Religion & theology | English | August 3, 2005 | 101.0K | 16423 |
| A Collection of Emblemes, Ancient and Moderne | George Wither | Essays & miscellany | English | October 6, 2015 | 536.7K | 50143 |
| A Commentary to Kant's 'Critique of Pure Reason' | Norman Kemp Smith | Early modern & Enlightenment | English | August 27, 2013 | 1.8M | 43572 |
| A Comparative View of Religions | Johannes Henricus Scholten | Religion & theology | English | December 19, 2006 | 82.8K | 20137 |
| A Compendium on the Soul | Avicenna | Medieval & scholastic | English | October 28, 2018 | 126.6K | 58186 |
| A Contribution to the Critique of Political Economy | Karl Marx | 19th century | English | July 26, 2014 | 528.4K | 46423 |
| A Critical Examination of Socialism | William Hurrell Mallock | Modern & 20th century | English | December 30, 2005 | 492.2K | 17416 |
| A critical history of Greek philosophy | W. T. Stace | Ancient & classical | English | August 12, 2010 | 674.8K | 33411 |
| A Critique of Socialism | George R. Sims | Essays & miscellany | English | September 2, 2015 | 54.8K | 49854 |
| A Cynic Looks at Life | Ambrose Bierce | Essays & miscellany | English | July 21, 2005 | 108.8K | 16340 |
| A dead man's diary | Coulson Kernahan | Essays & miscellany | English | February 16, 2024 | 201.0K | 72971 |
| A defence of modern spiritualism | Alfred Russel Wallace | Religion & theology | English | December 1, 2022 | 190.0K | 69454 |
| A Defence of Poetry and Other Essays | Percy Bysshe Shelley | Essays & miscellany | English | April 1, 2004 | 188.2K | 5428 |
| A Defence of the Inquiry into Mesmerism & Phrenology | William Armes | Modern & 20th century | English | May 4, 2017 | 52.9K | 54662 |
| A Democracia | Jaime de Magalhães Lima | Essays & miscellany | Portuguese | March 3, 2008 | 109.5K | 24748 |
| A dialoge or communication of two persons | — | Essays & miscellany | English | — | 79.7K | 14746 |
| A Dialogue Concerning Oratory, Or The Causes Of Corrupt Eloquence | Cornelius Tacitus | Essays & miscellany | English | February 11, 2005 | 429.3K | 15017 |
| A discourse concerning ridicule and irony in writing (1729) | Anthony Collins | Essays & miscellany | English | October 27, 2009 | 197.6K | 30343 |
| A Discourse of a Method for the Well Guiding of Reason | René Descartes | Early modern & Enlightenment | English | June 18, 2008 | 140.4K | 25830 |
| A Discourse of Life and Death, by Mornay; and Antonius by Garnier | seigneur du Plessis-Marly Philippe de Mornay | Essays & miscellany | English | June 10, 2007 | 181.3K | 21789 |
| A Discourse on the Study of the Law of Nature and Nations | Sir James Mackintosh | Modern & 20th century | English | July 11, 2009 | 116.7K | 29372 |
| A Discourse Upon the Origin and the Foundation of the Inequality Among Mankind | — | Essays & miscellany | English | — | 153.1K | 11136 |
| A Discovrse of Fire and Salt | Blaise de Vigenère | Essays & miscellany | English | November 16, 2014 | 417.8K | 47365 |
| A Dish of Orts : Chiefly Papers on the Imagination, and on Shakespeare | George MacDonald | Essays & miscellany | English | November 1, 2005 | 518.0K | 9393 |
| A Dissertation on the Books of Origen against Celsus | Francis Cunningham | Essays & miscellany | English | May 9, 2016 | 73.5K | 52032 |
| A dissuasion to Great-Britain and the colonies, from the slave trade to Africa | James Swan | Modern & 20th century | English | October 3, 2022 | 93.9K | 69090 |
| A espada de Alexandre | Camilo Castelo Branco | Essays & miscellany | Portuguese | April 15, 2010 | 76.3K | 32003 |
| A Fantasy of Far Japan; Or, Summer Dream Dialogues | Kencho Suematsu | Eastern & classical | English | April 8, 2011 | 682.1K | 35790 |
| A few days in Athens | Frances Wright | Essays & miscellany | English | December 4, 2022 | 270.5K | 69466 |
| A Few Words About the Devil, and Other Biographical Sketches and Essays | Charles Bradlaugh | Essays & miscellany | English | May 29, 2011 | 462.1K | 36269 |
| A Few Words on the Crystal Palace Question | C. J. Vaughan | Essays & miscellany | English | November 14, 2020 | 44.5K | 63755 |
| A Fleece of Gold; Five Lessons from the Fable of Jason and the Golden Fleece | Charles Stewart Given | Essays & miscellany | English | September 1, 2005 | 98.6K | 8881 |
| A Flor De Piel: Frases | Gustavo Sánchez Galarraga | Essays & miscellany | Spanish | August 4, 2013 | 31.9K | 43401 |
| A General View of Positivism | Auguste Comte | 19th century | English | December 24, 2016 | 844.1K | 53799 |
| A godly medytacyon of the christen sowle, concerninge a loue towardes God and hys Christe | King of Navarre consort of Henry II Queen Marguerite | Religion & theology | English | May 23, 2023 | 127.8K | 70848 |
| A Grammar of Freethought | Chapman Cohen | Essays & miscellany | English | July 28, 2011 | 451.8K | 36882 |
| A Guerra: Depoimentos de Herejes | Jaime de Magalhães Lima | Essays & miscellany | Portuguese | October 14, 2008 | 238.4K | 26915 |
| A Guide for the Religious Instruction of Jewish Youth | Isaac Samuel Reggio | Religion & theology | English | June 22, 2007 | 169.0K | 21905 |
| A Guide to Health | Mahatma Gandhi | Essays & miscellany | English | July 30, 2012 | 213.1K | 40373 |
| A handbook of Freethought | — | Essays & miscellany | English | April 16, 2014 | 748.2K | 45414 |
| A hazai bölcsészet jelene | János Erdélyi | Essays & miscellany | Hungarian | March 10, 2021 | 316.5K | 64780 |
| A History of Freedom of Thought | — | Essays & miscellany | English | — | 322.2K | 10684 |
| A History of Indian Philosophy, Volume 1 | — | Essays & miscellany | English | — | 1.3M | 12956 |
| A History of Literary Criticism in the Renaissance | Joel Elias Spingarn | Essays & miscellany | English | May 28, 2011 | 531.6K | 36245 |
| A History of Mediaeval Jewish Philosophy | Isaac Husik | Religion & theology | English | January 17, 2009 | 1.2M | 27821 |
| A History of Philosophy in Epitome | Albert Schwegler | Essays & miscellany | English | November 19, 2012 | 860.0K | 41412 |
| A Hundred Years Hence: The Expectations of an Optimist | T. Baron Russell | Modern & 20th century | English | April 9, 2015 | 443.8K | 48674 |
| A Invenção do Dia Claro | José de Almada Negreiros | Essays & miscellany | Portuguese | September 29, 2007 | 56.4K | 22801 |
| A journey round my room | Xavier de Maistre | Essays & miscellany | English | June 29, 2020 | 135.6K | 62519 |
| A Joy For Ever | John Ruskin | Essays & miscellany | English | November 30, 2006 | 341.1K | 19980 |
| A kontárság kultusza | Émile Faguet | Essays & miscellany | Hungarian | December 15, 2023 | 330.0K | 72419 |
| A Legacy to the Friends of Free Discussion | — | Essays & miscellany | English | April 4, 2012 | 479.4K | 39371 |
| A Letter to a Hindu | graf Leo Tolstoy | Eastern & classical | English | December 1, 2004 | 53.4K | 7176 |
| A Letter to American Workingmen, from the Socialist Soviet Republic of Russia | Vladimir Il'ich Lenin | Conduct, society & education | English | February 10, 2011 | 47.1K | 35232 |
| A Letter to Dion | Bernard Mandeville | Conduct, society & education | English | July 21, 2009 | 160.8K | 29478 |
| A Letter to Grover Cleveland | Lysander Spooner | Conduct, society & education | English | January 20, 2011 | 346.7K | 35016 |
| A Letter to Sir Samuel Shepherd, Knt., His Majesty's Attorney General | Anonymous | Conduct, society & education | English | October 8, 2012 | 67.4K | 40979 |
| A Letter to the Bishop of Exeter | Sir Edward Hall Alderson | Religion & theology | English | October 15, 2018 | 36.9K | 58105 |
| A Letter to the Hon. Samuel A. Eliot, Representative in Congress From the City of Boston, In Reply to His Apology For Voting For the Fugitive Slave Bill. | Franklin Dexter | Conduct, society & education | English | February 5, 2010 | 134.1K | 31191 |
| A Letter to Thomas F. Bayard | Lysander Spooner | Conduct, society & education | English | May 17, 2011 | 37.2K | 36161 |
| A little philosophy of life | Robert J. Burdette | Essays & miscellany | English | July 15, 2024 | 40.5K | 74047 |
| A Little Pilgrim- Stories of the Seen and the Unseen | — | Essays & miscellany | English | — | 137.0K | 10050 |
| A Logic of Facts; Or, Every-day Reasoning | George Jacob Holyoake | Religion & theology | English | July 20, 2011 | 245.2K | 36801 |
| A Man of the World | Annie Payson Call | Essays & miscellany | English | May 19, 2010 | 53.7K | 32421 |
| A marxizmus társadalomelmélete | László Ottlik | 19th century | Hungarian | June 13, 2025 | 238.4K | 76283 |
| A modern symposium | G. Lowes Dickinson | Essays & miscellany | English | November 9, 2009 | 209.4K | 30432 |
| A Modern Utopia | H. G. Wells | Essays & miscellany | English | September 1, 2004 | 556.7K | 6424 |
| A Modern Zoroastrian | S. Laing | Essays & miscellany | English | November 4, 2019 | 498.9K | 60631 |
| A New Catalogue of Vulgar Errors | Stephen Fovargue | Essays & miscellany | English | November 3, 2012 | 204.9K | 41274 |
| A New Light of Alchymie | Michal Sedziwój | Essays & miscellany | English | January 6, 2020 | 536.4K | 61112 |
| A New Philosophy - Henri Bergson | — | Modern & 20th century | English | — | 277.4K | 1347 |
| A Night in the Luxembourg | Remy de Gourmont | Essays & miscellany | English | September 4, 2014 | 181.3K | 46766 |
| A Pavorosa Illusão | Manuel Maria Barbosa du Bocage | Essays & miscellany | Portuguese | September 16, 2007 | 28.5K | 22614 |
| A Persian Pearl, and Other Essays | Clarence Darrow | Essays & miscellany | English | November 13, 2016 | 193.4K | 53524 |
| A philosophia da natureza dos naturalistas | Antero de Quental | Essays & miscellany | Portuguese | October 4, 2008 | 77.7K | 26776 |
| A Philosophical Dictionary, Volume 01 | Voltaire | Early modern & Enlightenment | English | March 28, 2011 | 472.3K | 35621 |
| A Philosophical Dictionary, Volume 02 | Voltaire | Early modern & Enlightenment | English | March 28, 2011 | 462.4K | 35622 |
| A Philosophical Dictionary, Volume 03 | Voltaire | Early modern & Enlightenment | English | March 28, 2011 | 470.9K | 35623 |
| A Philosophical Dictionary, Volume 04 | Voltaire | Early modern & Enlightenment | English | March 28, 2011 | 488.6K | 35624 |
| A Philosophical Dictionary, Volume 05 | Voltaire | Early modern & Enlightenment | English | March 28, 2011 | 485.1K | 35625 |
| A Philosophical Dictionary, Volume 06 | Voltaire | Early modern & Enlightenment | English | March 28, 2011 | 463.2K | 35626 |
| A Philosophical Dictionary, Volume 07 | Voltaire | Early modern & Enlightenment | English | March 28, 2011 | 436.1K | 35627 |
| A Philosophical Dictionary, Volume 08 | Voltaire | Early modern & Enlightenment | English | March 28, 2011 | 456.4K | 35628 |
| A Philosophical Dictionary, Volume 09 | Voltaire | Early modern & Enlightenment | English | March 28, 2011 | 483.3K | 35629 |
| A Philosophical Dictionary, Volume 10 | Voltaire | Early modern & Enlightenment | English | March 29, 2011 | 449.3K | 35630 |
| A Philosophical Essay on Probabilities | marquis de Pierre Simon Laplace | Essays & miscellany | English | February 13, 2019 | 324.6K | 58881 |
| A Philosophicall Essay for the Reunion of the Languages | Pierre Besnier | Essays & miscellany | English | April 18, 2005 | 79.8K | 15649 |
| A Pickle for the Knowing Ones | Timothy Dexter | Essays & miscellany | English | August 12, 2013 | 89.0K | 43453 |
| A Plain Statement of the Doctrines Objected to in the Church of Rome | Joseph Reilly | Religion & theology | English | May 3, 2020 | 54.8K | 62002 |
| A Pluralistic Universe | — | Essays & miscellany | English | — | 441.1K | 11984 |
| A politica intercolonial e internacional e o tratado de Lourenço Marques | Carlos Testa | Essays & miscellany | Portuguese | June 25, 2008 | 170.4K | 25898 |
| A Positive Romance | Edward Bellamy | 19th century | English | September 21, 2007 | 46.8K | 22708 |
| A Practical Enquiry into the Philosophy of Education | James Gall | Modern & 20th century | English | January 13, 2009 | 696.8K | 27790 |
| A Practical View of the Prevailing Religious System of Professed Christians, in the Middle and Higher Classes in this Country, Contrasted with Real Christianity. | William Wilberforce | Modern & 20th century | English | June 6, 2008 | 643.8K | 25709 |
| A Public Appeal for Redress to the Corporation and Overseers of Harvard University | Francis Ellingwood Abbot | Essays & miscellany | English | November 12, 2006 | 118.2K | 19768 |
| A Question of Identity | Frank Riley | Essays & miscellany | English | October 10, 2019 | 75.3K | 60467 |
| A Rational Theology, as Taught by the Church of Jesus Christ of Latter-Day Saints | John Andreas Widtsoe | Religion & theology | English | March 12, 2011 | 270.2K | 35562 |
| A Reply to Dr. Lightfoot's Essays, by the Author of -Supernatural religion- | — | Religion & theology | English | — | 366.8K | 13433 |
| A Reply to Dr. Vaughan's "Letter on the Late Post-Office Agitation" | James Roberts Pears | Modern & 20th century | English | November 13, 2020 | 51.2K | 63746 |
| A Review of Edwards's "Inquiry into the Freedom of the Will" | Henry Philip Tappan | Essays & miscellany | English | April 25, 2011 | 385.5K | 35958 |
| A Roman Lawyer in Jerusalem : First Century | William Wetmore Story | Modern & 20th century | English | November 1, 2005 | 47.3K | 9399 |
| A Series of Lessons in Raja Yoga | — | Eastern & classical | English | — | 428.3K | 13656 |
| A Series of Letters, in Defence of Divine Revelation | Hosea Ballou | Religion & theology | English | June 1, 2005 | 617.4K | 8225 |
| A serious proposal to the Ladies, for the advancement of their true and greatest interest (In Two Parts) | Mary Astell | Essays & miscellany | English | June 26, 2017 | 390.0K | 54984 |
| A Sermon: Thou shalt not commit Adultery | Joseph Phillimore | Religion & theology | English | April 26, 2020 | 41.5K | 61940 |
| A Sheaf | John Galsworthy | Essays & miscellany | English | August 26, 2018 | 500.0K | 57778 |
| A Short History of Freethought Ancient and Modern, Volume 1 of 2 | J. M. Robertson | Essays & miscellany | English | April 19, 2016 | 1.4M | 51793 |
| A Short History of Freethought Ancient and Modern, Volume 2 of 2 | J. M. Robertson | Essays & miscellany | English | May 25, 2016 | 1.5M | 52160 |
| A Short History of Greek Philosophy | J. Marshall | Ancient & classical | English | February 1, 2007 | 374.6K | 20500 |
| A Short View of the Frauds and Abuses Committed by Apothecaries | Christopher Merrett | Religion & theology | English | May 27, 2005 | 135.5K | 15910 |
| A Strange Story — Volume 08 | Baron Edward Bulwer Lytton Lytton | Essays & miscellany | English | March 1, 2005 | 184.0K | 7699 |
| A System of Logic, Ratiocinative and Inductive | John Stuart Mill | 19th century | English | January 31, 2009 | 2.4M | 27942 |
| A System of Logic, Ratiocinative and Inductive (Vol. 1 of 2) | John Stuart Mill | 19th century | English | August 31, 2008 | 1.1M | 26495 |
| A System of Logic: Ratiocinative and Inductive, 7th Edition, Vol. I | John Stuart Mill | 19th century | English | February 27, 2011 | 1.2M | 35420 |
| A System of Logic: Ratiocinative and Inductive, 7th Edition, Vol. II | John Stuart Mill | 19th century | English | February 27, 2011 | 1.2M | 35421 |
| A Textbook of Theosophy | — | Religion & theology | English | — | 251.3K | 12902 |
| A Theodicy, or, Vindication of the Divine Glory | Albert Taylor Bledsoe | Religion & theology | English | January 22, 2009 | 843.4K | 27869 |
| A Theological-Political Treatise [Part III] | Benedictus de Spinoza | Early modern & Enlightenment | English | July 16, 1997 | 111.4K | 991 |
| A Theological-Political Treatise [Part IV] | Benedictus de Spinoza | Early modern & Enlightenment | English | July 16, 1997 | 178.9K | 992 |
| A Theory of Creation: A Review of 'Vestiges of the Natural History of Creation' | Francis Bowen | Essays & miscellany | English | February 19, 2008 | 152.2K | 24648 |
| A Theory of the Mechanism of Survival: The Fourth Dimension and Its Applications | W. Whately Smith | Essays & miscellany | English | December 15, 2020 | 251.2K | 64055 |
| A Tract for the Times: The Church and the Census | James Skinner | Modern & 20th century | English | March 20, 2021 | 45.4K | 64877 |
| A tragikum | Jenő Rákosi | Essays & miscellany | Hungarian | January 1, 2021 | 284.3K | 64194 |
| A tragikum | Zsolt Beöthy | Essays & miscellany | Hungarian | July 29, 2022 | 888.9K | 68633 |
| A Treatise Concerning the Principles of Human Knowledge | George Berkeley | Early modern & Enlightenment | English | December 1, 2003 | 230.7K | 4723 |
| A Treatise of Daunses, Wherin It is Shewed, That They Are as It Were Accessories and Dependants (Or Thynges | — | Essays & miscellany | English | — | 38.8K | 10108 |
| A Treatise of Human Nature | David Hume | Early modern & Enlightenment | English | December 1, 2003 | 1.3M | 4705 |
| A Treatise of Human Nature | David Hume | Early modern & Enlightenment | English | August 5, 2020 | 1019.4K | 62856 |
| A treatise of the cohabitacyon of the faithfull with the vnfaithfull. | Pietro Martire Vermigli | Religion & theology | English | July 26, 2007 | 289.3K | 22151 |
| A Treatise on Electricity | Francis Penrose | Essays & miscellany | English | September 30, 2019 | 69.8K | 60392 |
| A Treatise on Good Works | Martin Luther | Essays & miscellany | English | February 1, 1996 | 237.1K | 418 |
| A Treatyse of Fysshynge wyth an Angle | Juliana Berners | Essays & miscellany | English | September 21, 2018 | 88.7K | 57943 |
| A True Interpretation of the Witch of Endor | Lodowick Muggleton | Essays & miscellany | English | August 7, 2022 | 190.7K | 68704 |
| A Vindication of Natural Diet. | Percy Bysshe Shelley | Essays & miscellany | English | January 31, 2012 | 63.5K | 38727 |
| A Vindication of the Presbyteriall-Government and Ministry | Ministers and Elders of the London Provinciall Assembly | Religion & theology | English | January 29, 2014 | 318.4K | 44787 |
| A Vindication of the Rights of Woman | Mary Wollstonecraft | Essays & miscellany | English | September 1, 2002 | 525.6K | 3420 |
| A Wayfarer's Faith: Aspects of the common basis of religious life | T. Edmund Harvey | Religion & theology | English | March 1, 2021 | 238.7K | 64544 |
| A Week on the Concord and Merrimack Rivers | Henry David Thoreau | Essays & miscellany | English | July 1, 2003 | 666.4K | 4232 |
| A Woman's Philosophy of Woman; or, Woman affranchised. | Madame d' Héricourt | Essays & miscellany | English | January 10, 2017 | 518.9K | 53937 |
| A Wonderful Night; An Interpretation of Christmas | — | Religion & theology | English | — | 71.3K | 14629 |
| A' bölcseség vigasztalásai | Boethius | Medieval & scholastic | Hungarian | October 20, 2020 | 256.2K | 63512 |
| Abélard, Tome I (French) | — | Essays & miscellany | English | — | 954.7K | 12829 |
| Abélard, Tome II (French) | — | Essays & miscellany | English | — | 988.2K | 13807 |
| Abhandlungen über die Fabel | Gotthold Ephraim Lessing | Essays & miscellany | German | February 1, 2006 | 154.2K | 9950 |
| Abolition Fanaticism in New York | Frederick Douglass | Essays & miscellany | English | January 11, 2011 | 45.7K | 34915 |
| About The Holy Bible: A Lecture | Robert Green Ingersoll | Religion & theology | English | October 10, 2011 | 90.3K | 37703 |
| Above the Battle | Romain Rolland | Essays & miscellany | English | June 12, 2010 | 265.9K | 32779 |
| Abraham Lincoln's Cardinal Traits; | Clark S. Beardslee | Essays & miscellany | English | January 15, 2012 | 443.5K | 38582 |
| Absurdities of immaterialism | Orson Pratt | Essays & miscellany | English | February 25, 2014 | 168.0K | 45005 |
| Academica | Marcus Tullius Cicero | Ancient & classical | Latin with English and Greek (ancient) | February 8, 2005 | 626.4K | 14970 |
| Actes et Paroles, Volume 1 | Victor Hugo | Essays & miscellany | French | May 1, 2005 | 900.6K | 8186 |
| Actes et Paroles, Volume 2: Pendant l'exil 1852-1870 | Victor Hugo | Essays & miscellany | French | July 1, 2005 | 709.5K | 8453 |
| Actes et Paroles, Volume 3 | Victor Hugo | Essays & miscellany | French | July 1, 2005 | 570.9K | 8454 |
| Address delivered before the British Association assembled at Belfast | John Tyndall | Essays & miscellany | English | March 20, 2025 | 145.1K | 75664 |
| Address, delivered in Craigie Hall, Edinburgh, February 24th, 1871 | Josephine Elizabeth Grey Butler | Essays & miscellany | English | February 11, 2025 | 48.0K | 75348 |
| Adventures in Contentment | — | Essays & miscellany | English | — | 248.1K | 10605 |
| AE in the Irish Theosophist | George William Russell | Modern & 20th century | English | May 1, 2004 | 510.9K | 5772 |
| Aenmerkinge op de Missive van Parnas (Dutch) | — | Essays & miscellany | English | — | 61.4K | 11884 |
| Aesthetic as Science of Expression and General Linguistic | Benedetto Croce | Modern & 20th century | English | November 1, 2005 | 616.9K | 9306 |
| Æsthetic as science of expression and general linguistic | Benedetto Croce | Modern & 20th century | English | April 28, 2017 | 1.1M | 54618 |
| Aesthetical and philosophical essays | Friedrich Schiller | Essays & miscellany | English | April 29, 2023 | 987.3K | 70669 |
| Aesthetical Essays of Friedrich Schiller | Friedrich Schiller | Essays & miscellany | English | December 8, 2004 | 848.5K | 6798 |
| Aesthetische Farbenlehre | Conrad Hermann | Essays & miscellany | German | February 19, 2018 | 242.5K | 56606 |
| Aether and Gravitation | William George Hooper | Modern & 20th century | English | February 22, 2008 | 973.1K | 24667 |
| Affirmations | Havelock Ellis | Essays & miscellany | English | May 13, 2025 | 382.4K | 76076 |
| Ahasvero nell'Isola del Diavolo: versi | — | Essays & miscellany | Italian | July 24, 2012 | 136.1K | 40328 |
| Aids to Reflection; and, The Confessions of an Inquiring Spirit | Samuel Taylor Coleridge | Religion & theology | English | January 30, 2014 | 974.7K | 44795 |
| Ainsi Parlait Zarathoustra | Friedrich Wilhelm Nietzsche | 19th century | French | March 1, 2004 | 638.8K | 5258 |
| Alchemy: Ancient and Modern | H. Stanley Redgrove | Essays & miscellany | English | July 17, 2013 | 289.0K | 43240 |
| Alcibiades I | (may be spurious) Plato | Ancient & classical | English | March, 1999 | 126.4K | 1676 |
| Alcibiades II | An Imitator of Plato | Ancient & classical | English | March, 1999 | 52.7K | 1677 |
| Alexandria and her Schools | Charles Kingsley | Conduct, society & education | English | April 5, 2015 | 239.4K | 1275 |
| Aline et Valcour, ou Le Roman Philosophique. Tome 3 | marquis de Sade | Essays & miscellany | French | December 2, 2019 | 584.7K | 60827 |
| Aline et Valcour, ou Le Roman Philosophique. Tome 4 | marquis de Sade | Essays & miscellany | French | February 14, 2020 | 386.7K | 61408 |
| Aline et Valcour, tome 1 | D.A.F. de Sade | Essays & miscellany | French | October 16, 2005 | 327.2K | 16885 |
| All Men are Ghosts | L. P. Jacks | Essays & miscellany | English | June 26, 2011 | 371.3K | 36518 |
| All Things are Possible | Lev Shestov | Essays & miscellany | English | June 21, 2018 | 282.5K | 57369 |
| All's for the Best | T. S. Arthur | Essays & miscellany | English | October 1, 2003 | 211.8K | 4589 |
| Alla kasvon kaikkivallan- Mystillinen trilogia (Finnish) | — | Essays & miscellany | English | — | 250.4K | 14440 |
| Allegories of Life | Mrs. J. S. Adams | Essays & miscellany | English | May 24, 2005 | 161.6K | 15895 |
| Also sprach Zarathustra: Ein Buch für Alle und Keinen | Friedrich Wilhelm Nietzsche | 19th century | German | January 1, 2005 | 552.0K | 7205 |
| Am I Still There? | James R. Hall | Modern & 20th century | English | December 26, 2009 | 37.2K | 30763 |
| Amelia Calani ed altri scritti | Francesco Domenico Guerrazzi | Essays & miscellany | Italian | March 30, 2013 | 411.0K | 42436 |
| American slavery, and the means of its abolition | Jonathan Ward | Conduct, society & education | English | November 4, 2022 | 72.5K | 69290 |
| Ames dormantes | Dora Melegari | Essays & miscellany | French | June 19, 2016 | 353.9K | 52379 |
| Amiel's Journal: The Journal Intime of Henri-Frédéric Amiel | Henri Frédéric Amiel | Essays & miscellany | English | July 1, 2005 | 908.0K | 8545 |
| Amo | Henry van de Velde | Essays & miscellany | German | January 21, 2009 | 37.7K | 27859 |
| An Address to Men of Science | Richard Carlile | Essays & miscellany | English | December 22, 2011 | 109.8K | 38379 |
| An analysis of religious belief | viscount John Russell Amberley | Modern & 20th century | English | March 7, 2021 | 1.7M | 64748 |
| An apology for abolitionists | Philo Pratt | Essays & miscellany | English | November 16, 2022 | 95.7K | 69367 |
| An Apology for Atheism | Charles Southwell | Essays & miscellany | English | August 11, 2005 | 254.4K | 16512 |
| An Apology for the True Christian Divinity | Robert Barclay | Religion & theology | English | February 2, 2018 | 1.2M | 56487 |
| An Atheist Manifesto | Joseph Lewis | Essays & miscellany | English | October 1, 2010 | 65.8K | 33825 |
| An Attic Philosopher in Paris — Complete | Émile Souvestre | Essays & miscellany | English | October 30, 2004 | 275.2K | 3999 |
| An Attic Philosopher in Paris — Volume 1 | Émile Souvestre | Essays & miscellany | English | April 1, 2003 | 109.9K | 3996 |
| An Attic Philosopher in Paris — Volume 2 | Émile Souvestre | Essays & miscellany | English | April 1, 2003 | 108.1K | 3997 |
| An Attic Philosopher in Paris — Volume 3 | Émile Souvestre | Essays & miscellany | English | April 1, 2003 | 96.4K | 3998 |
| An Deutschlands Jugend | Walther Rathenau | Essays & miscellany | German | November 7, 2007 | 215.0K | 23396 |
| An Enquiry Concerning Human Understanding | David Hume | Early modern & Enlightenment | English | January 1, 2006 | 364.6K | 9662 |
| An Enquiry Concerning the Principles of Taste, and of the Origin of our Ideas of Beauty, etc | — | Essays & miscellany | English | — | 77.5K | 13485 |
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| An Essay Concerning Humane Understanding, Volume 1 | — | Essays & miscellany | English | — | 816.1K | 10615 |
| An Essay Concerning Humane Understanding, Volume 2 | — | Essays & miscellany | English | — | 701.4K | 10616 |
| An Essay in Aid of a Grammar of Assent | John Henry Newman | Religion & theology | English | October 1, 2010 | 796.4K | 34022 |
| An Essay on Demonology, Ghosts and Apparitions, and Popular Superstitions | James Thacher | Modern & 20th century | English | June 6, 2015 | 287.8K | 49152 |
| An Essay on Laughter: Its Forms, Its Causes, Its Development and Its Value | James Sully | Modern & 20th century | English | January 3, 2019 | 857.6K | 58606 |
| An Essay on Papal Infallibility | John Sinclair | Essays & miscellany | English | August 9, 2016 | 114.2K | 52759 |
| An Essay on Slavery and Abolitionism | Catharine Esther Beecher | Conduct, society & education | English | July 25, 2008 | 179.5K | 26123 |
| An essay on the American contribution and the democratic idea | Winston Churchill | Religion & theology | English | October 19, 2004 | 121.3K | 5399 |
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| An Essay on the Evils of Popular Ignorance | John Foster | Essays & miscellany | English | September 1, 2005 | 565.7K | 8940 |
| An essay on the foundations of geometry | Bertrand Russell | Modern & 20th century | English | May 17, 2016 | 508.4K | 52091 |
| An Essay on the History of Civil Society, Eighth Edition | Adam Ferguson | Essays & miscellany | English | August 1, 2005 | 647.9K | 8646 |
| An Essay on the Principle of Population | T. R. Malthus | Essays & miscellany | English | July 1, 2003 | 336.3K | 4239 |
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| An Essay on the Trial By Jury | — | Essays & miscellany | English | — | 558.0K | 1201 |
| An Essay on the Trial by Jury | Lysander Spooner | Essays & miscellany | English | June 27, 2010 | 577.4K | 32984 |
| An Essay on True and Apparent Beauty in which from Settled Principles is Rendered the Grounds for Choosing and Rejecting Epigrams | Pierre Nicole | Essays & miscellany | English | May 22, 2009 | 102.5K | 28921 |
| An Essay Towards a New Theory of Vision | George Berkeley | Early modern & Enlightenment | English | December 1, 2003 | 177.7K | 4722 |
| An Essay Towards a Philosophy of Education: A Liberal Education for All | Charlotte M. Mason | Conduct, society & education | English | September 23, 2021 | 767.5K | 66369 |
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| An Estimate of the Value and Influence of Works of Fiction in Modern Times | Thomas Hill Green | Essays & miscellany | English | March 17, 2007 | 119.1K | 20843 |
| An Ethnologist's View of History | Daniel G. Brinton | Essays & miscellany | English | July 31, 2009 | 63.1K | 29554 |
| An Examination of President Edwards' Inquiry into the Freedom of the Will | Albert Taylor Bledsoe | Essays & miscellany | English | April 12, 2011 | 398.1K | 35839 |
| An Exhortation to Peace and Unity | John Bunyan | Essays & miscellany | English | January 1, 2003 | 85.0K | 3614 |
| An Explanatory Discourse by Tan Chet-qua of Quang-chew-fu, Gent. | Sir William Chambers | Modern & 20th century | English | May 26, 2012 | 106.5K | 39803 |
| An Exposition of the Last Psalme | John Boys | Conduct, society & education | English | December 10, 2005 | 79.1K | 17273 |
| An Historical Sketch of the Conceptions of Memory among the Ancients | William Henry Burnham | Modern & 20th century | English | July 28, 2019 | 69.9K | 59995 |
| An index finger | Tulis Abrojal | Essays & miscellany | English | January 19, 2023 | 502.5K | 69837 |
| An Inquiry into the Nature of Peace and the Terms of Its Perpetuation | Thorstein Veblen | Essays & miscellany | English | February 27, 2007 | 684.2K | 20694 |
| An Interpretation of Rudolf Eucken's Philosophy | W. Tudor Jones | Modern & 20th century | English | October 9, 2005 | 354.7K | 16835 |
| An Introduction to Philosophy | George Stuart Fullerton | Essays & miscellany | English | August 1, 2005 | 654.8K | 16406 |
| An Introduction to the Philosophy of Law | Roscoe Pound | Essays & miscellany | English | April 28, 2010 | 357.6K | 32168 |
| An Introduction to Yoga | Annie Besant | Eastern & classical | English | July 1, 2003 | 208.9K | 4278 |
| An original theory or new hypothesis of the universe | Thomas Wright | Essays & miscellany | English | February 7, 2023 | 246.6K | 69983 |
| An Outline of Occult Science | Rudolf Steiner | Religion & theology | English | December 20, 2009 | 677.2K | 30718 |
| Analysis of the Phenomena of the Human Mind | James Mill | 19th century | English | January 27, 2018 | 1.5M | 56441 |
| Anarchism | Paul Eltzbacher | Essays & miscellany | English | July 10, 2011 | 586.0K | 36690 |
| Anarchism and Socialism | Georgii Valentinovich Plekhanov | Essays & miscellany | English | November 20, 2009 | 221.9K | 30506 |
| Anarchy | Errico Malatesta | Essays & miscellany | English | July 28, 2012 | 115.0K | 40365 |
| Anarchy | Robert LeFevre | Essays & miscellany | English | November 1, 2023 | 34.5K | 72001 |
| Ancient and Modern Celebrated Freethinkers | Charles Bradlaugh | Essays & miscellany | English | October 6, 2009 | 654.9K | 30200 |
| Ancient and Modern Physics | — | Essays & miscellany | English | — | 126.0K | 10773 |
| Ancient Art and Ritual | Jane Ellen Harrison | Essays & miscellany | English | November 18, 2005 | 299.5K | 17087 |
| Ancient Faiths And Modern | Thomas Inman | Religion & theology | English | November 22, 2011 | 968.8K | 38100 |
| Animals' Rights Considered in Relation to Social Progress | Henry S. Salt | Essays & miscellany | English | February 8, 2021 | 217.1K | 64498 |
| Animismus, Magie und Allmacht der Gedanken | Sigmund Freud | Modern & 20th century | German | August 14, 2011 | 79.7K | 37070 |
| Answer to Dr. Priestley's Letters to a Philosophical Unbeliever | — | Conduct, society & education | English | — | 102.7K | 14120 |
| Anthroposophie im Umriss | Robert Zimmermann | Essays & miscellany | German | January 14, 2017 | 763.1K | 53962 |
| Anti-slavery catechism | Lydia Maria Child | Conduct, society & education | English | November 18, 2022 | 104.0K | 69376 |
| Antikristus: Arvostelukoe kristinopista | Friedrich Wilhelm Nietzsche | 19th century | Finnish | September 1, 2016 | 181.4K | 52953 |
| Anton Tchekhov, and Other Essays | Lev Shestov | Essays & miscellany | English | March 16, 2018 | 314.0K | 56758 |
| Aphrodisiacs and Anti-aphrodisiacs: Three Essays on the Powers of Reproduction | John Davenport | Essays & miscellany | English | January 9, 2009 | 309.7K | 27752 |
| Apollonius of Tyana, the Philosopher-Reformer of the First Century A.D. | G. R. S. Mead | Essays & miscellany | English | March 2, 2011 | 230.3K | 35460 |
| Apologia Diffidentis | O. M. Dalton | Essays & miscellany | English | January 13, 2009 | 216.5K | 27795 |
| Apology | Plato | Ancient & classical | English | February, 1999 | 105.3K | 1656 |
| Apology, Crito, and Phaedo of Socrates | — | Ancient & classical | English | — | 284.0K | 13726 |
| Apotti Jérôme Coignardin ajatuksia | Anatole France | Essays & miscellany | Finnish | January 14, 2018 | 281.0K | 56370 |
| Apparitions and thought-transference: an examination of the evidence for telepathy | Frank Podmore | Essays & miscellany | English | February 3, 2018 | 923.5K | 56489 |
| Appletons' Popular Science Monthly, October 1899 | Various | Essays & miscellany | English | August 28, 2014 | 461.0K | 46710 |
| Applied Eugenics | Paul Popenoe and Roswell Hill Johnson | Essays & miscellany | English | October 17, 2006 | 1007.5K | 19560 |
| Appreciations, with an Essay on Style | Walter Pater | Essays & miscellany | English | May 1, 2003 | 390.9K | 4037 |
| Arabic Thought and Its Place in History | De Lacy O'Leary | Essays & miscellany | English | March 10, 2020 | 490.0K | 61593 |
| Aratra Pentelici, Seven Lectures on the Elements of Sculpture | John Ruskin | Essays & miscellany | English | June 25, 2008 | 349.6K | 25897 |
| Archimedes; or, the future of physics | Lancelot Law Whyte | Essays & miscellany | English | February 23, 2025 | 132.1K | 75452 |
| Architecture and Democracy | — | Essays & miscellany | English | — | 215.4K | 12625 |
| Are the Effects of Use and Disuse Inherited? | W. P. Ball | Essays & miscellany | English | August 26, 2008 | 178.4K | 26438 |
| Areopagitica | John Milton | Essays & miscellany | English | January 21, 2006 | 120.3K | 608 |
| Arguments of Celsus, Porphyry, and the Emperor Julian, Against the Christians | active 180 Celsus | Ancient & classical | English | October 10, 2011 | 181.4K | 37696 |
| Ariel | José Enrique Rodó | Essays & miscellany | Spanish | October 5, 2007 | 177.0K | 22899 |
| Ariosto, Shakespeare and Corneille | Benedetto Croce | Modern & 20th century | English | February 15, 2017 | 525.0K | 54165 |
| Aristoteles' Zielkunde | Aristotle | Ancient & classical | Dutch | December 14, 2024 | 238.0K | 74894 |
| Aristotle | George Grote | Ancient & classical | English | May 31, 2014 | 2.3M | 45851 |
| Aristotle | — | Ancient & classical | English | January 16, 2015 | 227.0K | 48002 |
| Aristotle and Ancient Educational Ideals | Thomas Davidson | Ancient & classical | English | August 21, 2012 | 418.1K | 40552 |
| Aristotle on the art of poetry | Aristotle | Ancient & classical | English | October 1, 2004 | 125.6K | 6763 |
| Armageddon--And After | W. L. Courtney | Essays & miscellany | English | November 26, 2005 | 135.5K | 17158 |
| Arrows of Freethought | G. W. Foote | Essays & miscellany | English | October 6, 2009 | 242.8K | 30204 |
| Ars magna | O. V. de L. Milosz | Essays & miscellany | French | January 29, 2024 | 105.1K | 72799 |
| Art | Clive Bell | Essays & miscellany | English | October 21, 2005 | 356.8K | 16917 |
| Art | Auguste Rodin | Essays & miscellany | English | June 24, 2019 | 235.8K | 59799 |
| Art principles in literature | Francis P. Donnelly | Essays & miscellany | English | February 1, 2021 | 226.9K | 64443 |
| Art Principles with Special Reference to Painting | Ernest Govett | Essays & miscellany | English | June 14, 2011 | 656.9K | 36427 |
| As a man thinketh | James Allen | Modern & 20th century | English | October 1, 2003 | 64.1K | 4507 |
| As Long As You Wish | John O'Keefe | Essays & miscellany | English | January 2, 2008 | 29.8K | 24121 |
| As theocracias litterarias | Teófilo Braga | Essays & miscellany | Portuguese | April 29, 2008 | 35.9K | 25240 |
| Ask a Foolish Question | Robert Sheckley | Essays & miscellany | English | October 11, 2010 | 36.8K | 33854 |
| Aspects of science | J. W. N. Sullivan | Essays & miscellany | English | October 5, 2025 | 269.7K | 76989 |
| Astral Worship | J. H. Hill | Essays & miscellany | English | September 1, 2005 | 161.2K | 8855 |
| Astronomy and General Physics Considered with Reference to Natural Theology | William Whewell | 19th century | English | September 28, 2021 | 557.9K | 66406 |
| At Large | Arthur Christopher Benson | Religion & theology | English | November 1, 2003 | 485.7K | 4613 |
| At the Deathbed of Darwinism: A Series of Papers | Eberhard Dennert | Essays & miscellany | English | April 10, 2007 | 227.6K | 21019 |
| Ateisti: Kokoelma pienempiä kirjoituksia | Arvid Järnefelt | Essays & miscellany | Finnish | November 28, 2014 | 237.5K | 47481 |
| Atheism Among the People | Alphonse de Lamartine | Essays & miscellany | English | May 5, 2008 | 71.2K | 25339 |
| Atheism in Pagan Antiquity | A. B. Drachmann | Essays & miscellany | English | March 11, 2009 | 302.3K | 28312 |
| Auguste Comte and Positivism | John-Stuart Mill | 19th century | English | October 9, 2005 | 333.6K | 16833 |
| Auguste Comte et Herbert Spencer | E. de Roberty | 19th century | French | October 16, 2005 | 212.8K | 16888 |
| Aus der Geschichte der menschlichen Dummheit | Max Kemmerich | Essays & miscellany | German | May 31, 2025 | 482.2K | 76196 |
| Aus der Schneegrube | Wilhelm Bölsche | Essays & miscellany | German | November 9, 2022 | 697.9K | 69320 |
| Aus des Angelus Silesius Cherubinischem Wandersmann | Angelus Silesius | Essays & miscellany | German | February 9, 2015 | 62.2K | 48210 |
| Aus Natur und Geisteswelt | B.G. Teubner | Essays & miscellany | German | November 27, 2016 | 109.7K | 53614 |
| Autobiography | — | Essays & miscellany | English | — | 428.1K | 10378 |
| Avatâras | Annie Besant | Essays & miscellany | English | March 6, 2009 | 195.7K | 28262 |
| Avicenne | Bernard Carra de Vaux | Essays & miscellany | French | May 6, 2009 | 493.3K | 28702 |
| Az akarat szabadságáról | Arthur Schopenhauer | 19th century | Hungarian | March 2, 2013 | 216.6K | 42242 |
| Az élet értelme és értéke | Rudolf Eucken | Modern & 20th century | Hungarian | October 22, 2021 | 341.8K | 66589 |
| Az élet könyve | Géza Kenedi | Essays & miscellany | Hungarian | September 15, 2021 | 258.9K | 66315 |
| Az ember helye a természetben | Mihály Lenhossék | Essays & miscellany | Hungarian | February 1, 2024 | 239.3K | 72853 |
| Az emberiség jövője | Heinrich Lhotzky | Essays & miscellany | Hungarian | May 3, 2022 | 204.5K | 67981 |
| Az emberiség képviselői | Ralph Waldo Emerson | 19th century | Hungarian | June 15, 2022 | 404.1K | 68321 |
| Az erkölcsi törvény alkalmazása | Zsigmond Bodnár | Essays & miscellany | Hungarian | September 25, 2020 | 423.3K | 63291 |
| Az erkölcsi világ | Zsigmond Bodnár | Essays & miscellany | Hungarian | September 16, 2020 | 571.1K | 63215 |
| Back to Methuselah- A Metabiological Pentateuch | — | Essays & miscellany | English | — | 632.0K | 13084 |
| Bacon | — | Early modern & Enlightenment | English | — | 403.4K | 13888 |
| Bahá’í World Faith | ‘Abdu’l-Bahá | Religion & theology | English | September 2006 | 538.0K | 19239 |
| Balder the Beautiful, Volume I | — | Essays & miscellany | English | — | 919.7K | 12261 |
| Banquet du 17 janvier 1841 (French) | — | Essays & miscellany | English | — | 32.9K | 12301 |
| Barlaam and Ioasaph | Saint John of Damascus | Religion & theology | English | December 1, 1996 | 476.1K | 749 |
| Baron d'Holbach : a Study of Eighteenth Century Radicalism in France | Max Pearson Cushing | Essays & miscellany | English | May 1, 2004 | 223.2K | 5621 |
| Beacon Lights of History, Volume 14- The New Era | — | Essays & miscellany | English | — | 627.4K | 10649 |
| Beantwortung der Frage: Was ist Aufklärung? | Immanuel Kant | Early modern & Enlightenment | German | December 31, 2009 | 39.7K | 30821 |
| Beauty and the Beast: An Essay in Evolutionary Aesthetic | Stewart Andrew McDowall | Essays & miscellany | English | August 16, 2013 | 168.7K | 43484 |
| Beauty: Illustrated Chiefly by an Analysis and Classification of Beauty in Woman | Alexander Walker | Essays & miscellany | English | February 26, 2011 | 648.5K | 35409 |
| Bedenkingen tegen de Leer van Darwin | Antoine Charles Reuther | Essays & miscellany | Dutch | December 22, 2009 | 678.5K | 30735 |
| Beethoven: Eine Phantasie | Béla Révész | Essays & miscellany | German | June 17, 2016 | 62.8K | 52359 |
| Being Well-Born: An Introduction to Eugenics | Michael F. Guyer | Essays & miscellany | English | May 21, 2012 | 599.1K | 39751 |
| Beitrag zur Beurteilung der Lehren Machs | Robert Musil | Essays & miscellany | German | September 18, 2014 | 293.0K | 46896 |
| Benedetto Croce: An Introduction to His Philosophy | Raffaello Piccoli | Modern & 20th century | English | June 7, 2017 | 477.7K | 54860 |
| Beobachtungen über das Gefühl des Schönen und Erhabenen | Immanuel Kant | Early modern & Enlightenment | German | October 27, 2012 | 147.6K | 41197 |
| Bergson and His Philosophy | John Alexander Gunn | Modern & 20th century | English | May 1, 2004 | 372.4K | 5717 |
| Betrachtungen über die Grundlagen der Philosophie | René Descartes | Early modern & Enlightenment | German | December 14, 2008 | 221.2K | 27532 |
| Between Heathenism and Christianity | Charles William Super | Modern & 20th century | English | December 2, 2019 | 344.5K | 60831 |
| Bevezetés a filozófiába | Wilhelm Jerusalem | Essays & miscellany | Hungarian | September 1, 2021 | 418.9K | 66200 |
| Beyond | Henry Seward Hubbard | Essays & miscellany | English | November 25, 2011 | 159.7K | 38134 |
| Beyond the pleasure principle | Sigmund Freud | Modern & 20th century | English | May 6, 2025 | 164.3K | 76031 |
| Bhagavad-Gita: Herrens Sång | — | Eastern & classical | Swedish | May 2, 2015 | 168.8K | 48854 |
| Bhagavadgita — Des Erhabenen Sang | — | Eastern & classical | German | July 16, 2010 | 199.1K | 33186 |
| Bible Romances, First Series | G. W. Foote | Religion & theology | English | October 6, 2009 | 286.2K | 30209 |
| Biblical Extracts; Or, The Holy Scriptures Analyzed; | Robert Cooper | Religion & theology | English | October 10, 2011 | 152.6K | 37700 |
| Biology | Edmund Beecher Wilson | Essays & miscellany | English | July 26, 2006 | 60.6K | 18911 |
| Biology versus Theology. The Bible: irreconcilable with Science, Experience, and even its own statements | Julian | Religion & theology | English | February 8, 2021 | 169.4K | 64500 |
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| Birth Control: A Statement of Christian Doctrine against the Neo-Malthusians | Halliday Sutherland | Religion & theology | English | August 1, 2005 | 272.1K | 8773 |
| Bits about Home Matters | — | Conduct, society & education | English | — | 297.3K | 10516 |
| Blackwood's Edinburgh Magazine, No. CCCXXXVI. October, 1843. Vol. LIV. | Various | Essays & miscellany | English | October 29, 2007 | 611.7K | 23240 |
| Blackwood's Edinburgh Magazine, Vol. 76, No. 468, October, 1854 | Various | Essays & miscellany | English | January 4, 2025 | 538.2K | 75032 |
| Blackwood's Edinburgh Magazine, Volume 57, No. 355, May 1845 | Various | Essays & miscellany | English | July 12, 2010 | 540.1K | 33141 |
| Blackwood's Edinburgh Magazine, Volume 58, Number 360, October 1845 | Various | Essays & miscellany | English | June 13, 2009 | 555.8K | 29110 |
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| Bom-senso e bom-gosto | Antero de Quental | Essays & miscellany | Portuguese | September 23, 2009 | 48.3K | 30070 |
| Bones and I | G. J. Whyte-Melville | Essays & miscellany | English | October 3, 2023 | 265.3K | 71789 |
| Boon, The Mind of the Race, The Wild Asses of the Devil, and The Last Trump; | H. G. Wells | Essays & miscellany | English | January 15, 2011 | 298.4K | 34962 |
| Born Again | Alfred Lawson | Essays & miscellany | English | October 4, 2006 | 361.5K | 19459 |
| Bronson Alcott's Fruitlands, compiled by Clara Endicott Sears | — | Essays & miscellany | English | December 7, 2016 | 273.3K | 53683 |
| Browning and His Century | Helen A. Clarke | Essays & miscellany | English | February 14, 2012 | 482.8K | 38874 |
| Browning as a Philosophical and Religious Teacher | — | Conduct, society & education | English | — | 526.0K | 13561 |
| Buchanan's Journal of Man, April 1887 | — | Essays & miscellany | English | June 24, 2008 | 120.6K | 25890 |
| Buchanan's Journal of Man, August 1887 | — | Essays & miscellany | English | December 29, 2008 | 136.7K | 27648 |
| Buchanan's Journal of Man, February 1887 | — | Essays & miscellany | English | August 16, 2007 | 163.5K | 22336 |
| Buchanan's Journal of Man, January 1888 | — | Essays & miscellany | English | January 15, 2009 | 131.4K | 27812 |
| Buchanan's Journal of Man, July 1887 | — | Essays & miscellany | English | December 19, 2008 | 129.2K | 27570 |
| Buchanan's Journal of Man, June 1887 | — | Essays & miscellany | English | August 23, 2008 | 128.9K | 26401 |
| Buchanan's Journal of Man, March 1887 | — | Essays & miscellany | English | June 17, 2008 | 135.4K | 25819 |
| Buchanan's Journal of Man, May 1887 | — | Essays & miscellany | English | August 15, 2008 | 139.3K | 26317 |
| Buchanan's Journal of Man, October 1887 | — | Essays & miscellany | English | January 6, 2009 | 133.2K | 27717 |
| Buchanan's Journal of Man, September 1887 | — | Essays & miscellany | English | January 5, 2009 | 139.9K | 27703 |
| Buddhism | Annie H. Small | Eastern & classical | English | September 13, 2025 | 93.5K | 76869 |
| Burke | — | Essays & miscellany | English | — | 380.1K | 12922 |
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| Bygone Beliefs- Being a Series of Excursions in the Byways of Thought | — | Essays & miscellany | English | — | 323.1K | 1271 |
| Bygones Worth Remembering, Vol. 1 (of 2) | George Jacob Holyoake | Religion & theology | English | July 20, 2011 | 382.3K | 36795 |
| Bygones Worth Remembering, Vol. 2 (of 2) | George Jacob Holyoake | Religion & theology | English | July 20, 2011 | 391.1K | 36796 |
| Byways of Ghost-Land | Elliott O'Donnell | Essays & miscellany | English | November 9, 2009 | 389.5K | 30440 |
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| Calvinistic Controversy | Wilbur Fisk | Essays & miscellany | English | December 6, 2011 | 483.6K | 38232 |
| Camões e a Fisionomia Espiritual da Pátria | Leonardo Coimbra | Essays & miscellany | Portuguese | June 13, 2010 | 43.4K | 32789 |
| Candide, ou l'optimisme | Voltaire | Early modern & Enlightenment | French | November 1, 2003 | 228.6K | 4650 |
| Canterbury Pieces | Samuel Butler | Essays & miscellany | English | June 1, 2002 | 104.1K | 3279 |
| Cape Cod | Henry David Thoreau | Essays & miscellany | English | November 21, 2010 | 453.8K | 34392 |
| Cartas sobre a educação da mocidade | António Nunes Ribeiro Sanches | Essays & miscellany | Portuguese | December 19, 2007 | 365.1K | 23919 |
| Catholic World, Vol. 24, October, 1876, to March, 1877 | Various | Religion & theology | English | April 10, 2018 | 2.8M | 56955 |
| Cato Maior de Senectute | Marcus Tullius Cicero | Ancient & classical | English | February 7, 2005 | 345.2K | 14945 |
| Celle qui pleure (Notre Dame de la Salette) | Léon Bloy | Essays & miscellany | French | December 30, 2021 | 411.6K | 67052 |
| Cham et Japhet, ou De l'�migration des n�gres chez les blancs consid�r�e comme moyen providentiel de r�g�n�rer la race n�gre et de civiliser l'Afrique int�rieure. | Ausone de Chancel | Essays & miscellany | French | March 24, 2005 | 245.9K | 15459 |
| Chambers's Edinburgh Journal, No. 453 | Various | Essays & miscellany | English | August 1, 2007 | 139.3K | 22199 |
| Chance, Love, and Logic: Philosophical Essays | Charles S. Peirce | Modern & 20th century | English | May 7, 2021 | 594.8K | 65274 |
| Charles Fourier | August Bebel | Essays & miscellany | German | October 21, 2006 | 571.7K | 19596 |
| Charmides | Plato | Ancient & classical | English | December, 1998 | 140.3K | 1580 |
| Chaucer's Translation of Boethius's "De Consolatione Philosophiae" | Boethius | Medieval & scholastic | English | February 12, 2013 | 1.1M | 42083 |
| Chaucer's Works, Volume 2 — Boethius and Troilus | Geoffrey Chaucer | Medieval & scholastic | English | February 5, 2014 | 1.3M | 44833 |
| Che cosa è l'arte? | graf Leo Tolstoy | Essays & miscellany | Italian | March 3, 2022 | 387.8K | 67556 |
| Chercheurs de sources | Dora Melegari | Essays & miscellany | French | June 6, 2023 | 334.2K | 70917 |
| China, Japan and the U.S.A. | John Dewey | Eastern & classical | English | March 23, 2009 | 165.6K | 28393 |
| Chinese literature - Comprising the Analects of Confucius, the Sayings of Mencius, the Shi-King, the Travels | — | Eastern & classical | English | — | 499.3K | 10056 |
| Chips from a German Workshop, Volume 1 | F. Max Müller | Essays & miscellany | English | February 26, 2008 | 691.4K | 24686 |
| Chips from a German Workshop, Volume 5 | F. Max Müller | Essays & miscellany | English | January 14, 2009 | 452.6K | 27810 |
| Chosen Peoples | Israel Zangwill | Essays & miscellany | English | February 19, 2007 | 91.5K | 20631 |
| Christ Remembered at His Table | John Alexander | Religion & theology | English | November 15, 2020 | 37.1K | 63769 |
| Christian Mystery: A Chinese Tale, Found in the Portfolio of a Portuguese Friar | Anonymous | Eastern & classical | English | October 8, 2012 | 31.2K | 40984 |
| Christian Mysticism | — | Religion & theology | English | — | 669.0K | 14596 |
| Christian Phrenology: A Guide to Self-Knowledge | Joseph Bunney | Religion & theology | English | April 1, 2011 | 137.3K | 35748 |
| Christianity and Greek Philosophy | B. F. Cocker | Ancient & classical | English | December 20, 2008 | 1.2M | 27571 |
| Christianity and Islam | — | Religion & theology | English | — | 106.3K | 11198 |
| Christianity and Modern Thought | Henry W. Bellows | Religion & theology | English | November 3, 2012 | 503.1K | 41280 |
| Christianity and Progress | Harry Emerson Fosdick | 19th century | English | July 19, 2007 | 299.6K | 21992 |
| Christianity as Mystical Fact, and the Mysteries of Antiquity | Rudolf Steiner | Religion & theology | English | February 4, 2008 | 281.9K | 24507 |
| Christianity in relation to Freethought, Scepticism, and Faith | William Connor Magee | Modern & 20th century | English | February 8, 2021 | 206.5K | 64503 |
| Christianity Unveiled | baron d' Paul Henri Thiry Holbach | Religion & theology | English | September 17, 2012 | 255.5K | 40770 |
| Christianity Viewed in Relation to the Present State of Society and Opinion. | François Guizot | Religion & theology | English | November 30, 2019 | 330.0K | 60815 |
| Christology of the Old Testament: And a Commentary on the Messianic Predictions. Vol. 2 | Ernst Wilhelm Hengstenberg | Religion & theology | English | December 5, 2009 | 1.1M | 30608 |
| Church and Nation | — | Religion & theology | English | October 5, 2013 | 256.7K | 43896 |
| Church Reform | Richard Carlile | Religion & theology | English | July 11, 2012 | 158.1K | 40211 |
| Cicero's Brutus or History of Famous Orators; also His Orator, or Accomplished Speaker. | Marcus Tullius Cicero | Ancient & classical | English | January 1, 2006 | 477.0K | 9776 |
| Cicero's Tusculan Disputations | Marcus Tullius Cicero | Ancient & classical | English and Latin | February 9, 2005 | 1.0M | 14988 |
| Citizen or subject? | Francis X. Hennessy | Essays & miscellany | English | November 11, 2023 | 854.0K | 72099 |
| Civilisation: Its Cause and Cure; and Other Essays | Edward Carpenter | Essays & miscellany | English | November 2, 2013 | 461.3K | 44094 |
| Clairvoyance | C. W. Leadbeater | Essays & miscellany | English | July 13, 2009 | 267.6K | 29399 |
| Cobwebs of Thought | — | Essays & miscellany | English | — | 91.7K | 13766 |
| Code galant, ou, Art de Conter fleurette | Horace Raisson | Essays & miscellany | French | December 29, 2012 | 134.7K | 41731 |
| Collected Essays, Volume V | T. H. Huxley | Essays & miscellany | English | May 25, 2005 | 689.8K | 15905 |
| Collection complète des oeuvres de l'Abbé de Mably, Volume 1 (of 15) | Gabriel Bonnot de Mably | Essays & miscellany | French | October 14, 2016 | 686.2K | 53279 |
| Collection complète des oeuvres de l'Abbé de Mably, Volume 2 (of 15) | Gabriel Bonnot de Mably | Essays & miscellany | French | November 10, 2016 | 738.3K | 53497 |
| Collection complète des oeuvres de l'Abbé de Mably, Volume 4 (of 15) | Gabriel Bonnot de Mably | Essays & miscellany | French | March 8, 2017 | 773.2K | 54311 |
| Colloquium heptaplomeres de rerum sublimium arcanis abditis | Jean Bodin | Essays & miscellany | Latin | February 26, 2006 | 1.0M | 17859 |
| Common Sense Applied to Religion; Or, The Bible and the People | Catharine Esther Beecher | Religion & theology | English | September 12, 2017 | 597.0K | 55531 |
| Common sense, how to exercise it | — | Essays & miscellany | English | — | 187.5K | 13072 |
| Common-Sense Country | L. S. Bevington | Essays & miscellany | English | January 25, 2020 | 41.1K | 61234 |
| Communism and Christianism | William Montgomery Brown | Modern & 20th century | English | December 25, 2009 | 382.8K | 30758 |
| Compensation | Ralph Waldo Emerson | 19th century | English | February 26, 2024 | 63.5K | 73035 |
| Compilation on Peace | Research Department of the Universal House of Justice | Essays & miscellany | English | September 2006 | 153.7K | 19268 |
| Complete Works of Plutarch — Volume 3: Essays and Miscellanies | Plutarch | Ancient & classical | English | February 1, 2002 | 1.6M | 3052 |
| Conception Control and Its Effects on the Individual and the Nation | — | Essays & miscellany | English | — | 43.7K | 13906 |
| Concerning Christian Liberty | Martin Luther | Religion & theology | English | February 25, 2006 | 118.3K | 1911 |
| Concerning Justice | Lucilius A. Emery | Essays & miscellany | English | March 4, 2010 | 186.9K | 31504 |
| Concerning the Spiritual in Art | Wassily Kandinsky | Religion & theology | English | March 1, 2004 | 176.0K | 5321 |
| Concord Days | Amos Bronson Alcott | Essays & miscellany | English | July 7, 2014 | 409.2K | 46209 |
| Condillac: sa vie, sa philosophie, son influence | comte Gustave Baguenault de Puchesse | Early modern & Enlightenment | French | September 4, 2017 | 268.2K | 55483 |
| Confessiones | Saint of Hippo Augustine | Medieval & scholastic | Latin | October 10, 2010 | 964.9K | 33849 |
| Confessions of an Inquiring Spirit and Some Miscellaneous Pieces | Samuel Taylor Coleridge | Religion & theology | English | April 1, 2001 | 277.8K | 2575 |
| Conflict of Northern and Southern Theories of Man and Society | Henry Ward Beecher | Essays & miscellany | English | May 31, 2008 | 87.2K | 25653 |
| Considerações sobre a Philosophia da Historia Litteraria Portugueza | Antero de Quental | Essays & miscellany | Portuguese | June 13, 2010 | 76.2K | 32791 |
| Considérations inactuelles, deuxième série | Friedrich Wilhelm Nietzsche | 19th century | French | January 17, 2015 | 498.5K | 48006 |
| Considerations on Religion and Public Education | Hannah More | Religion & theology | English | October 17, 2011 | 57.0K | 37774 |
| Considerations on Representative Government | John Stuart Mill | 19th century | English | May 1, 2004 | 579.6K | 5669 |
| Considerations on the Negroe cause commonly so called | Samuel Estwick | Essays & miscellany | English | October 29, 2022 | 117.3K | 69256 |
| Considerations politiques sur les coups d'estat | Gabriel Naudé | Essays & miscellany | French | January 28, 2023 | 324.1K | 69887 |
| Consolation in Life and Death, Derived from the Life of Christ | J. Church | Religion & theology | English | October 6, 2018 | 65.6K | 58048 |
| Consolations in Travel | Humphrey Davy | Essays & miscellany | English | February 28, 2006 | 333.3K | 17882 |
| Contemplazione della morte | Gabriele D'Annunzio | Essays & miscellany | Italian | June 17, 2020 | 149.2K | 62417 |
| Continental Monthly, Volume 5, Issue 4 | Various | Essays & miscellany | English | July 13, 2006 | 461.0K | 18820 |
| Conversations on the Plurality of Worlds | M. de Fontenelle | Early modern & Enlightenment | English | October 18, 2021 | 248.0K | 66559 |
| Correspondence & Conversations of Alexis de Tocqueville with Nassau William Senior from 1834 to 1859, Volume 2 | — | Modern & 20th century | English | — | 438.3K | 13333 |
| Cosmic Consciousness- The Man-God Whom We Await | — | Religion & theology | English | — | 382.4K | 14002 |
| Cosmic symbolism | Sepharial | Essays & miscellany | English | May 12, 2023 | 438.3K | 70749 |
| Cosmos | — | Essays & miscellany | English | August 6, 2015 | 47.1K | 49631 |
| Courage | — | Essays & miscellany | English | — | 40.8K | 10767 |
| Cours de philosophie positive. (1/6) | Auguste Comte | 19th century | French | April 4, 2010 | 1017.5K | 31881 |
| Cours de philosophie positive. (2/6) | Auguste Comte | 19th century | French | April 4, 2010 | 949.6K | 31882 |
| Cours de philosophie positive. (3/6) | Auguste Comte | 19th century | French | April 4, 2010 | 1.1M | 31883 |
| Cours de philosophie positive. (4/6) | Auguste Comte | 19th century | French | April 11, 2010 | 1.0M | 31947 |
| Cours de philosophie positive. (5/6) | Auguste Comte | 19th century | French | August 23, 2016 | 1.1M | 52880 |
| Cours de philosophie positive. (6/6) | Auguste Comte | 19th century | French | December 28, 2015 | 1.5M | 50786 |
| Cours familier de Littérature - Volume 08 | Alphonse de Lamartine | Essays & miscellany | French | August 14, 2011 | 548.0K | 37075 |
| Cours familier de Littérature - Volume 12 | Alphonse de Lamartine | Essays & miscellany | French | June 2, 2012 | 414.3K | 39885 |
| Cours familier de Littérature - Volume 15 | Alphonse de Lamartine | Essays & miscellany | French | October 4, 2011 | 425.2K | 37608 |
| Cours familier de Littérature - Volume 18 | Alphonse de Lamartine | Essays & miscellany | French | February 25, 2014 | 599.6K | 45013 |
| Cratylus | Plato | Ancient & classical | English | January, 1999 | 318.6K | 1616 |
| Creating Capital | Frederick L. Lipman | Essays & miscellany | English | August 12, 2009 | 70.0K | 29673 |
| Creation and Its Records | — | Essays & miscellany | English | — | 343.7K | 12852 |
| Creation or Evolution? A Philosophical Inquiry | George Ticknor Curtis | Essays & miscellany | English | September 30, 2015 | 1.1M | 50086 |
| Creative Evolution | Henri Bergson | Modern & 20th century | English | August 1, 2008 | 848.6K | 26163 |
| Creative Intelligence: Essays in the Pragmatic Attitude | John Dewey | Modern & 20th century | English | September 14, 2010 | 772.2K | 33727 |
| Creative Unity | Rabindranath Tagore | Eastern & classical | English | October 21, 2007 | 237.8K | 23136 |
| Creed and Deed: A Series of Discourses | Felix Adler | Modern & 20th century | English | October 10, 2011 | 387.4K | 37697 |
| Crimes and Punishments | James Anson Farrer | Modern & 20th century | English | January 15, 2019 | 373.4K | 58700 |
| Critias | Plato | Ancient & classical | English | December, 1998 | 73.9K | 1571 |
| Critical Examination of the Life of St. Paul | Peter Annet | Essays & miscellany | English | November 22, 2011 | 196.3K | 38102 |
| Critical Miscellanies (Vol 2 of 3) | John Morley | Essays & miscellany | English | October 25, 2005 | 81.7K | 16937 |
| Critical Miscellanies (Vol. 2 of 3), Essay 2: Turgot | John Morley | Essays & miscellany | English | October 3, 2007 | 209.4K | 22865 |
| Critical Miscellanies (Vol. 2 of 3), Essay 3: Condorcet | John Morley | Essays & miscellany | English | February 2, 2008 | 165.1K | 24492 |
| Critical Miscellanies (Vol. 2 of 3), Essay 4: Joseph de Maistre | John Morley | Essays & miscellany | English | February 8, 2008 | 147.2K | 24553 |
| Critical Miscellanies (Vol. 3 of 3), Essay 10: Auguste Comte | John Morley | 19th century | English | June 4, 2009 | 95.8K | 29033 |
| Critical Miscellanies, (Vol. 3 of 3), Essay 2: The Death of Mr Mill; Essay 3: Mr Mill's Autobiography | John Morley | 19th century | English | March 23, 2007 | 106.0K | 20887 |
| Critical Miscellanies, Vol. 1, Essay 5, Emerson | John Morley | 19th century | English | November 27, 2006 | 105.2K | 19935 |
| Critical Remarks on Sir Charles Grandison, Clarissa, and Pamela (1754) | Anonymous | Essays & miscellany | English | February 10, 2010 | 126.9K | 31242 |
| Critical, Historical, and Miscellaneous Essays; Vol. 2 | Baron Thomas Babington Macaulay Macaulay | Essays & miscellany | English | November 6, 2017 | 876.1K | 55902 |
| Criticisms on "The Origin of Species" | Thomas Henry Huxley | Essays & miscellany | English | November 1, 2001 | 58.6K | 2930 |
| Critiques and Addresses | — | Essays & miscellany | English | — | 599.8K | 12506 |
| Crito | Plato | Ancient & classical | Latin | February 14, 2016 | 48.7K | 51220 |
| Crito | — | Essays & miscellany | English | — | 47.1K | 1657 |
| Crito: Een dialoog van Plato | Plato | Ancient & classical | Dutch | December 16, 2022 | 125.3K | 69559 |
| Cronache Letterarie | Luigi Capuana | Conduct, society & education | Italian | May 15, 2011 | 375.9K | 36109 |
| Crowds | Gerald Stanley Lee | Essays & miscellany | English | May 3, 2005 | 967.7K | 15759 |
| Culture and Anarchy | Matthew Arnold | Essays & miscellany | English | July 1, 2003 | 420.4K | 4212 |
| Curiosities of heat | Lyman Beecher Tefft | Essays & miscellany | English | April 29, 2012 | 388.0K | 39566 |
| D'Alembert | Joseph Bertrand | Early modern & Enlightenment | French | April 4, 2005 | 304.1K | 15543 |
| Da importancia da Historia Universal Philosophica na esphera dos conhecimentos humanos | Alberto Pimentel | Essays & miscellany | Portuguese | July 3, 2010 | 119.5K | 33068 |
| Daedalus | J. B. S. Haldane | Essays & miscellany | English | June 10, 2023 | 90.3K | 70955 |
| Daemonologie. | King of England James I | Modern & 20th century | English | June 29, 2008 | 169.4K | 25929 |
| Daily Thoughts: selected from the writings of Charles Kingsley by his wife | Charles Kingsley | Conduct, society & education | English | February 28, 2007 | 264.0K | 20711 |
| Dante and the early astronomers | M. A. Orr | Essays & miscellany | English | February 7, 2021 | 920.0K | 64489 |
| Dante et Goethe : dialogues | Daniel Stern | Essays & miscellany | French | February 28, 2009 | 601.8K | 28217 |
| Dante: "The Central Man of All the World" | John T. Slattery | Essays & miscellany | English | November 1, 2005 | 366.2K | 16978 |
| Dante: Six Sermons | Philip H. Wicksteed | Religion & theology | English | June 22, 2011 | 283.8K | 36479 |
| Dante. An essay. To which is added a translation of De Monarchia. | R. W. Church | Religion & theology | English | October 30, 2010 | 542.7K | 33896 |
| Darwin and Modern Science | A.C. Seward and Others | Essays & miscellany | English | September, 1999 | 1.6M | 1909 |
| Darwiniana; Essays and Reviews Pertaining to Darwinism | Asa Gray | Essays & miscellany | English | March 1, 2004 | 659.6K | 5273 |
| Darwinism. The Noachian Flood | Thomas Roscoe Rede Stebbing | Essays & miscellany | English | February 8, 2021 | 64.6K | 64499 |
| Darwinismus und Sozialismus: Der Kampf um das Dasein und die Moderne Gesellschaft | Ludwig Büchner | Essays & miscellany | German | March 6, 2007 | 141.0K | 20757 |
| Das Abendmahl im Zusammenhang mit dem Leben Jesu und der Geschichte des Urchristentums | Albert Schweitzer | Essays & miscellany | German | December 5, 2013 | 179.5K | 44366 |
| Das Abendmahl im Zusammenhang mit dem Leben Jesu und der Geschichte des Urchristentums | Albert Schweitzer | Essays & miscellany | German | January 11, 2016 | 284.7K | 50901 |
| Das Büchlein vom Leben nach dem Tode | Gustav Theodor Fechner | Essays & miscellany | German | January 3, 2014 | 111.1K | 44575 |
| Das Gefängnis zum Preußischen Adler | Bruno Wille | Modern & 20th century | German | June 22, 2023 | 495.7K | 71017 |
| Das hohe Ziel der Erkenntnis: Aranada Upanishad | bey Omar Raschid | Eastern & classical | German | July 1, 2004 | 214.5K | 6110 |
| Das Leben der Bienen | Maurice Maeterlinck | Essays & miscellany | German | March 8, 2020 | 397.4K | 61584 |
| Das Leben Tolstois | Romain Rolland | Essays & miscellany | German | December 29, 2013 | 363.9K | 44537 |
| Das Problem des platonischen Symposion. | August Ritter von Kleemann | Ancient & classical | German | April 26, 2011 | 78.3K | 35967 |
| Das Stunden-Buch | Rainer Maria Rilke | Essays & miscellany | German | January 15, 2008 | 125.6K | 24288 |
| Das Tabu und die Ambivalenz der Gefühlsregungen | Sigmund Freud | Modern & 20th century | German | August 14, 2011 | 156.3K | 37069 |
| Das Unheimliche | Sigmund Freud | Modern & 20th century | German | November 6, 2010 | 104.0K | 34222 |
| Das Wirken der Seele: Ideen zu einer organischen Psychologie | Rudolf Eisler | Modern & 20th century | German | February 18, 2011 | 216.1K | 35318 |
| De Amicitia, Scipio's Dream | Marcus Tullius Cicero | Ancient & classical | English | February 1, 2005 | 173.9K | 7491 |
| De Chineesche Filosofie, Toegelicht voor niet-Sinologen, 1. Kh'oeng Foe Tsz' (Confucius) | Henri Borel | Eastern & classical | Dutch | March 10, 2021 | 367.4K | 64781 |
| De Chineesche Filosofie, Toegelicht voor niet-Sinologen, 2. Lao Tsz' | Henri Borel | Eastern & classical | Dutch | April 15, 2021 | 228.1K | 65088 |
| De Essentia Patris Et Filii | — | Essays & miscellany | Latin | January 11, 2011 | 22.3K | 34913 |
| De Geest van China | Henri Borel | Eastern & classical | Dutch | December 29, 2015 | 334.3K | 50789 |
| De Harmonie van het Dierlijke Leven | F.C. Donders | Essays & miscellany | Dutch | November 16, 2005 | 99.1K | 17079 |
| De l'Allemagne; t.1 | Madame de Staël | Essays & miscellany | French | December 11, 2021 | 691.6K | 66924 |
| De l'Amour | Stendhal | Essays & miscellany | French | December 8, 2019 | 791.0K | 60882 |
| De l'assassinat considéré comme un des Beaux-Arts | Thomas De Quincey | Essays & miscellany | French | November 24, 2024 | 298.4K | 74790 |
| De l'influence des passions sur le bonheur des individus et des nations | Germaine de Sta�l-Holstein | Essays & miscellany | French | September 10, 2006 | 376.6K | 19232 |
| De l'origine des espèces (French) | — | Essays & miscellany | English | — | 1.4M | 14158 |
| De la cruauté religieuse | baron d' Paul Henri Thiry Holbach | Essays & miscellany | French | November 10, 2012 | 296.7K | 41336 |
| De la Démocratie en Amérique, tome troisième | Alexis de Tocqueville | Essays & miscellany | French | November 21, 2009 | 381.9K | 30515 |
| De la démonialité des animaux incubes et succubes | Ludovico Maria Sinistrari | Essays & miscellany | French, Latin | September 10, 2013 | 322.6K | 43686 |
| De la sincérité envers soi-même | Jacques Rivière | Essays & miscellany | French | June 26, 2024 | 121.5K | 73918 |
| De la volonté | Marguerite Duportal | Essays & miscellany | French | February 26, 2024 | 200.0K | 73024 |
| De Lof der Zotheid | Desiderius Erasmus | Essays & miscellany | Dutch | January 20, 2009 | 328.2K | 27846 |
| De moedige vrouw | Ellen Key | Essays & miscellany | Dutch | February 15, 2009 | 140.3K | 28086 |
| De Napoléon | André Suarès | Essays & miscellany | French | December 18, 2021 | 58.0K | 66965 |
| De Officiis | Marcus Tullius Cicero | Ancient & classical | English, Latin | September 29, 2014 | 722.8K | 47001 |
| De republiek van Plato | Plato | Ancient & classical | Dutch | April 9, 2023 | 715.7K | 70511 |
| De Tribus Habitaculis Liber | Saint Patrick | Religion & theology | Latin | January 29, 2012 | 39.5K | 38708 |
| De Tribus Impostoribus, A. D. 1230: The Three Impostors | — | Essays & miscellany | English | December 18, 2015 | 252.6K | 50715 |
| De wijzen van het Oosten | Cornelis Hille Ris Lambers | Essays & miscellany | Dutch | March 17, 2012 | 677.1K | 39177 |
| De Wonderbouw der Wereld | Anton Pannekoek | Essays & miscellany | Dutch | June 12, 2019 | 667.0K | 59744 |
| Death | Maurice Maeterlinck | Essays & miscellany | English | February 22, 2010 | 81.1K | 31354 |
| Death and resurrection from the point of view of the cell-theory | Gustaf Björklund | Essays & miscellany | English | November 20, 2019 | 219.3K | 60750 |
| Death--and After? | Annie Besant | Essays & miscellany | English | April 27, 2006 | 162.1K | 18266 |
| Decadence | Arthur James Balfour | Modern & 20th century | English | June 1, 2022 | 73.5K | 68219 |
| Decadence, and Other Essays on the Culture of Ideas | Remy de Gourmont | Essays & miscellany | English | August 29, 2014 | 354.0K | 46728 |
| Declaration of Faith, in Latin and the Original Greek | Patriarch of Alexandria Saint Athanasius | Ancient & classical | Latin, Greek | May 27, 2010 | 45.9K | 32549 |
| Deductive Logic | St. George William Joseph Stock | Modern & 20th century | English | September 1, 2004 | 456.8K | 6560 |
| Del sentimiento trágico de la vida | Miguel de Unamuno | Modern & 20th century | Spanish | July 4, 2019 | 597.0K | 59852 |
| Delenda est Carthago! | Eduardo C. N. Pereira | Essays & miscellany | Portuguese | April 15, 2010 | 42.5K | 32001 |
| Democracy and Education: An Introduction to the Philosophy of Education | John Dewey | Modern & 20th century | English | March 1, 1997 | 842.2K | 852 |
| Democracy in America — Volume 2 | Alexis de Tocqueville | Essays & miscellany | English | January 21, 2006 | 845.9K | 816 |
| Democrazia futurista: dinamismo politico | — | Essays & miscellany | Italian | October 23, 2012 | 254.5K | 41157 |
| Democritus Platonissans | Henry More | Ancient & classical | English | October 25, 2009 | 157.7K | 30327 |
| Demoniality; or, Incubi and Succubi | Ludovico Maria Sinistrari | Essays & miscellany | English, Latin | February 26, 2017 | 315.5K | 54243 |
| Demonology and Devil-lore | Moncure Daniel Conway | Essays & miscellany | English | September 6, 2012 | 1.5M | 40686 |
| Der Ackermann aus Böhmen | von Tepl Johannes | Essays & miscellany | German | November 26, 2014 | 354.3K | 47465 |
| Der Begriff der Religion im System der Philosophie | Hermann Cohen | Religion & theology | German | December 22, 2014 | 448.4K | 47741 |
| Der ewige Buddho: Ein Tempelschriftwerk in vier Unterweisungen | Leopold Ziegler | Eastern & classical | German | May 7, 2016 | 645.2K | 52015 |
| Der Geist der Gotik | Karl Scheffler | Essays & miscellany | German | September 9, 2023 | 204.4K | 71602 |
| Der Großinquisitor | Fyodor Dostoyevsky | Essays & miscellany | German | December 18, 2011 | 62.7K | 38336 |
| Der Kollektivismus und die soziale Monarchie | Josef von Neupauer | Essays & miscellany | German | May 21, 2016 | 772.6K | 52117 |
| Der Mensch der Zukunft | Wilhelm Bölsche | Essays & miscellany | German | October 31, 2018 | 237.6K | 58215 |
| Der Pfaffenspiegel | Otto von Corvin | Essays & miscellany | German | December 5, 2010 | 819.4K | 34581 |
| Der Sinn und Wert des Lebens | Rudolf Eucken | Modern & 20th century | German | April 22, 2015 | 327.9K | 48765 |
| Der Sozialismus einst und jetzt | Eduard Bernstein | Essays & miscellany | German | February 5, 2008 | 448.7K | 24523 |
| Der Sprung aus dem Fenster | Karl Otten | Essays & miscellany | German | December 30, 2010 | 83.0K | 34785 |
| Der Streit über die Tragödie | Theodor Lipps | Essays & miscellany | German | June 1, 2005 | 154.5K | 8375 |
| Der Untergang des Abendlandes, Erster Band | Oswald Spengler | Essays & miscellany | German | October 13, 2025 | 1.4M | 77042 |
| Der Untergang des Abendlandes, Zweiter Band | Oswald Spengler | Essays & miscellany | German | October 13, 2025 | 1.5M | 77043 |
| Der Wahn und die Träume in W. Jensens »Gradiva« | Sigmund Freud | Modern & 20th century | German | March 11, 2011 | 200.9K | 35549 |
| Der Wanderer | Anton Fendrich | Essays & miscellany | German | January 2, 2021 | 227.9K | 64200 |
| Der Wille zur Macht: Eine Auslegung alles Geschehens | Friedrich Wilhelm Nietzsche | 19th century | German | September 25, 2019 | 740.5K | 60360 |
| Des conspirations et de la justice politique | François Guizot | Essays & miscellany | French | March 22, 2024 | 155.5K | 73232 |
| Desultory thoughts and reflections | Countess of Marguerite Blessington | Conduct, society & education | English | March 30, 2025 | 97.9K | 75737 |
| Determinism or Free-Will? | Chapman Cohen | Essays & miscellany | English | September 8, 2011 | 208.8K | 37358 |
| Deutsche Freiheit: Ein Weckruf | Rudolf Eucken | Modern & 20th century | German | March 23, 2014 | 76.9K | 45191 |
| Deutsches Leben der Gegenwart | Philipp Witkop, Paul Bekker, Max Scheler, Arnold Sommerfeld, and | Essays & miscellany | German | July 11, 2005 | 581.1K | 16264 |
| Deutschlands Beruf in der Gegenwart und Zukunft | Theodor Rohmer | Essays & miscellany | German | April 16, 2014 | 486.6K | 45418 |
| Deutschlands europäische Sendung | Friedrich Lienhard | Essays & miscellany | German | February 10, 2019 | 72.8K | 58851 |
| Devotions Upon Emergent Occasions; Together with Death's Duel | John Donne | Religion & theology | English | December 8, 2007 | 417.5K | 23772 |
| Dhammapada, a Collection of Verses; Being One of the Canonical Books of the Buddhists | — | Eastern & classical | English | — | 67.0K | 2017 |
| Dialogo sopra la generatione de venti, baleni, tuoni, fulgori, fiumi, laghi, valli et montagne | Camillo Agrippa | Essays & miscellany | Italian | March 14, 2006 | 69.1K | 17986 |
| Dialogue aux enfers entre Machiavel et Montesquieu (French) | — | Essays & miscellany | English | — | 392.2K | 13187 |
| Dialogue of Comfort Against Tribulation | Thomas More | Essays & miscellany | English | November 16, 2005 | 567.4K | 17075 |
| Dialogues Concerning Natural Religion | David Hume | Early modern & Enlightenment | English | October 1, 2003 | 231.3K | 4583 |
| Dialogues of the Dead | Lord Lyttelton | Essays & miscellany | English | February 3, 2006 | 377.5K | 17667 |
| Dialogues on the Supersensual Life | Jakob Böhme | Essays & miscellany | English | September 17, 2010 | 225.8K | 33742 |
| Dickory Cronke: The Dumb Philosopher, or, Great Britain's Wonder | Daniel Defoe | Essays & miscellany | English | January 1, 2000 | 77.8K | 2051 |
| Dictatorship vs. Democracy (Terrorism and Communism): a reply to Karl Kantsky | Leon Trotsky | Early modern & Enlightenment | English | February 25, 2012 | 451.7K | 38982 |
| Diderot and the Encyclopædists (Vol. 2 of 2) | John Morley | Early modern & Enlightenment | English | September 28, 2007 | 605.8K | 22797 |
| Die Brücke | Alfred Holland | Essays & miscellany | German | July 24, 2012 | 23.0K | 40313 |
| Die dreizehn Bücher der deutschen Seele | Wilhelm Schäfer | Essays & miscellany | German | January 1, 2017 | 931.8K | 53856 |
| Die erste Stunde nach dem Tode: Eine Gespenstergeschichte | Max Brod | Essays & miscellany | German | March 15, 2013 | 88.2K | 42337 |
| Die Erziehung des Menschengeschlechts | Gotthold Ephraim Lessing | Essays & miscellany | German | October 1, 2005 | 60.4K | 9160 |
| Die Freigabe der Vernichtung lebensunwerten Lebens | Karl Binding | Essays & miscellany | German | January 2, 2014 | 128.1K | 44565 |
| Die Geburt der Tragödie: Versuch einer Selbstkritik | Friedrich Wilhelm Nietzsche | 19th century | German | January 1, 2005 | 310.3K | 7206 |
| Die Grundlagen der Arithmetik | Gottlob Frege | Essays & miscellany | German | February 19, 2015 | 278.2K | 48312 |
| Die Kakomonade | Simon Nicolas Henri Linguet | Essays & miscellany | German | March 4, 2012 | 163.7K | 39043 |
| Die Kernpunkte der sozialen Frage in den Lebensnotwendigkeiten der Gegenwart und Zukunft | Rudolf Steiner | Essays & miscellany | German | April 4, 2009 | 285.4K | 28494 |
| Die Kugel | Otto Zur Linde | Essays & miscellany | German | April 3, 2007 | 53.2K | 20965 |
| Die Last | Annette Kolb | Essays & miscellany | German | November 23, 2013 | 53.4K | 44258 |
| Die Milchstraße | Fritz Kahn | Essays & miscellany | German | June 19, 2016 | 230.3K | 52373 |
| Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, II. Band | Friedrich Dannemann | Essays & miscellany | German | February 7, 2017 | 1.1M | 54127 |
| Die naturwissenschaftlichen Grundlagen der Poesie. | Wilhelm Bölsche | Essays & miscellany | German | April 22, 2016 | 169.0K | 51835 |
| Die Phantasie in der Malerei | Max Liebermann | Essays & miscellany | German | November 28, 2011 | 84.5K | 38158 |
| Die Pharisäer | Michael Wirth | Essays & miscellany | German | July 15, 2018 | 289.9K | 57516 |
| Die Philosophie der Freiheit: Grundzüge einer modernen Weltanschauung | Rudolf Steiner | Essays & miscellany | German | November 10, 2016 | 375.6K | 53493 |
| Die Philosophie unserer Klassiker: Lessing, Herder, Schiller, Goethe | Karl Vorländer | Essays & miscellany | German | October 25, 2020 | 448.0K | 63548 |
| Die Reden Gotamo Buddhos. Mittlere Sammlung, dritter Band | — | Eastern & classical | German | May 24, 2015 | 1020.7K | 49044 |
| Die Reden Gotamo Buddhos. Mittlere Sammlung, erster Band | — | Eastern & classical | German | February 23, 2015 | 1.1M | 48345 |
| Die Reden Gotamo Buddhos. Mittlere Sammlung, zweiter Band | — | Eastern & classical | German | May 10, 2015 | 1.1M | 48901 |
| Die Religion innerhalb der Grenzen der bloßen Vernunft | Immanuel Kant | Early modern & Enlightenment | German | December 15, 2017 | 610.6K | 56182 |
| Die schöpferische Pause | Fritz Klatt | Essays & miscellany | German | November 19, 2017 | 304.4K | 55999 |
| Die Stufe | Franziska Mann | Essays & miscellany | German | April 17, 2007 | 132.3K | 21115 |
| Die Theorie des Romans | György Lukács | Essays & miscellany | German | October 20, 2008 | 262.8K | 26972 |
| Die Träger des deutschen Idealismus | Rudolf Eucken | Modern & 20th century | German | July 12, 2015 | 337.3K | 49428 |
| Die Versuchung: Ein Gespräch des Dichters mit dem Erzengel und Luzifer | Franz Werfel | Essays & miscellany | German | July 8, 2012 | 48.4K | 40165 |
| Die Welt in hundert Jahren | — | Essays & miscellany | German | September 23, 2014 | 478.5K | 46939 |
| Die weltgeschichtliche Bedeutung des deutschen Geistes | Rudolf Eucken | Modern & 20th century | German | February 3, 2016 | 54.0K | 51119 |
| Die Welträtsel: Gemeinverständliche Studien über Monistische Philosophie | Ernst Haeckel | Essays & miscellany | German | May 19, 2019 | 663.8K | 59547 |
| Dimasalang Kalendariong Tagalog (1922) | Honorio L�pez | Essays & miscellany | Tagalog | September 5, 2005 | 100.8K | 16656 |
| Dionysos: Valikoima runoja | Friedrich Wilhelm Nietzsche | 19th century | Finnish | June 30, 2016 | 52.4K | 52446 |
| Discours de la méthode (French) | — | Essays & miscellany | English | — | 692.8K | 13846 |
| Discours sur la nécessité et les moyens de détruire l'esclavage dans les colonies (French) | — | Essays & miscellany | English | — | 48.6K | 10697 |
| Discourses of Keidansky | Bernard G. Richards | Essays & miscellany | English | August 27, 2014 | 321.9K | 46701 |
| Discourses on a Sober and Temperate Life | Luigi Cornaro | Essays & miscellany | English | December 12, 2009 | 134.2K | 30660 |
| Discourses on the First Decade of Titus Livius | — | Essays & miscellany | English | — | 795.5K | 10827 |
| Discourses on Various Subjects, Vol. 1 (of 2) | Jacob Duché | Essays & miscellany | English | December 13, 2019 | 293.4K | 60915 |
| Discussion on American Slavery | George Thompson | Conduct, society & education | English | May 23, 2010 | 621.7K | 32500 |
| Disputation of Doctor Martin Luther on the Power and Efficacy of Indulgences | Martin Luther | Essays & miscellany | English | June 1, 1995 | 48.9K | 274 |
| Dissertation on the Progress of the Fine Arts | John Robert Scott | Essays & miscellany | English | March 19, 2013 | 100.2K | 42371 |
| Dissertatiunculae Quaedam Critico-Theologicae | John Henry Newman | Religion & theology | Latin | October 15, 2010 | 155.6K | 34078 |
| Dissociations | Remy de Gourmont | Essays & miscellany | French | May 26, 2021 | 196.4K | 65449 |
| Dityrambeja | Aarni Kouta and Friedrich Nietzsche | 19th century | Finnish | May 3, 2006 | 46.0K | 18303 |
| Divorce versus Democracy | G. K. Chesterton | Essays & miscellany | English | June 24, 2020 | 42.6K | 62467 |
| Do que o fogo não queima | Jaime de Magalhães Lima | Essays & miscellany | Portuguese | October 14, 2008 | 154.7K | 26914 |
| Doctrine of the Will | Asa Mahan | Essays & miscellany | English | January 20, 2012 | 315.6K | 38621 |
| Does civilization need religion? | Reinhold Niebuhr | Religion & theology | English | October 13, 2025 | 275.6K | 77050 |
| Dostoïevsky (Articles et Causeries) | André Gide | Essays & miscellany | French | December 14, 2019 | 356.3K | 60916 |
| Dr. Stearns's Tour from London to Paris | Samuel Stearns | Essays & miscellany | English | October 29, 2014 | 172.5K | 47233 |
| Dreams | Henri Bergson | Modern & 20th century | English | March 17, 2007 | 75.9K | 20842 |
| Dreams of an astronomer | Camille Flammarion | Essays & miscellany | English | August 12, 2024 | 282.2K | 74239 |
| Du doute à la foi | François Tournebize | Essays & miscellany | French | November 16, 2024 | 126.2K | 74749 |
| Dynamic Thought; Or, The Law of Vibrant Energy | William Walker Atkinson | Modern & 20th century | English | January 21, 2013 | 298.0K | 41892 |
| Early Greek philosophy | John Burnet | Ancient & classical | English | January 3, 2022 | 946.3K | 67097 |
| Early Greek Philosophy & Other Essays | Friedrich Wilhelm Nietzsche | Ancient & classical | English | March 25, 2016 | 302.6K | 51548 |
| Earth's Holocaust (From "Mosses from an Old Manse") | Nathaniel Hawthorne | Essays & miscellany | English | November 1, 2005 | 63.5K | 9231 |
| Ecce Homo | Friedrich Wilhelm Nietzsche | 19th century | English | May 30, 2016 | 296.6K | 52190 |
| Ecce homo, Wie man wird, was man ist | Friedrich Wilhelm Nietzsche | 19th century | German | January 1, 2005 | 217.3K | 7202 |
| Ecce Homo! Or, A Critical Inquiry into the History of Jesus of Nazareth | baron d' Paul Henri Thiry Holbach | Religion & theology | English | March 4, 2012 | 441.1K | 39052 |
| Echoes From The Orient: A Broad Outline of Theosophical Doctrines | William Quan Judge | Modern & 20th century | English | June 9, 2018 | 150.3K | 57292 |
| Editorials from the Hearst Newspapers | Arthur Brisbane | Essays & miscellany | English | December 1, 1996 | 457.7K | 742 |
| Education and the good life | Bertrand Russell | Modern & 20th century | English | March 16, 2023 | 414.2K | 70302 |
| Education and the Higher Life | John Lancaster Spalding | Conduct, society & education | English | April 12, 2007 | 307.7K | 21045 |
| Education as Service | — | Conduct, society & education | English | — | 76.5K | 11345 |
| Edward Caldwell Moore | Edward Moore | Modern & 20th century | English | May 7, 2005 | 542.6K | 15780 |
| Eeldrop and Appleplex | T. S. Eliot | Essays & miscellany | English | June 1, 2004 | 36.3K | 5982 |
| Een twaalftal samenspraken | Erasmus | Essays & miscellany | Dutch | January 23, 2006 | 460.5K | 17523 |
| Egalité des hommes et des femmes | Marie Le Jars de Gournay | Essays & miscellany | French | November 28, 2023 | 79.9K | 72251 |
| Egotism in German Philosophy | George Santayana | Modern & 20th century | English | March 8, 2015 | 235.0K | 48431 |
| Egy magános sétáló álmodozásai | Jean-Jacques Rousseau | Early modern & Enlightenment | Hungarian | December 13, 2021 | 319.2K | 66939 |
| Ein Ehzuchtbüchlein | Hermann Oeser | Essays & miscellany | German | May 20, 2018 | 29.4K | 57187 |
| Einführung in die moderne Logik. Erster Teil. | Goswin Uphues | Essays & miscellany | German | January 5, 2008 | 275.2K | 24172 |
| Einstein, the searcher | Alexander Moszkowski | Essays & miscellany | English | April 30, 2023 | 572.8K | 70678 |
| Einstein's Theories of Relativity and Gravitation | J. Malcolm Bird | Essays & miscellany | English | October 4, 2020 | 561.5K | 63372 |
| El Arroyo (Spanish) | — | Essays & miscellany | English | — | 298.3K | 11663 |
| El Criterio | Jaime Luciano Balmes | Ancient & classical | Spanish | May 22, 2009 | 549.8K | 28929 |
| El criticón (tomo 1 de 2) | Baltasar Gracián y Morales | Conduct, society & education | Spanish | July 18, 2020 | 620.6K | 62691 |
| El criticón (tomo 2 de 2) | Baltasar Gracián y Morales | Conduct, society & education | Spanish | October 7, 2020 | 678.6K | 63402 |
| El la Biblio (Esperanto) | — | Essays & miscellany | English | — | 47.6K | 11307 |
| El legado del ignorantismo | T. H. Pardo de Tavera | Essays & miscellany | Spanish | January 25, 2010 | 101.0K | 31066 |
| El mètode objectiu | Ramón Turró | Essays & miscellany | Catalan | July 24, 2024 | 120.1K | 74097 |
| El Superhombre y otras novedades | Juan Valera | Essays & miscellany | Spanish | March 12, 2010 | 501.1K | 31613 |
| Elämän tarkoitus ja arvo | Rudolf Eucken | Modern & 20th century | Finnish | September 4, 2016 | 297.7K | 52975 |
| Elémens de la philosophie de Neuton: Mis à la portée de tout le monde | Voltaire | Early modern & Enlightenment | French | October 30, 2015 | 393.3K | 50340 |
| Elementary Theosophy | L. W. Rogers | Religion & theology | English | September 29, 2009 | 323.7K | 30134 |
| Elements of Criticism, Volume I. | Lord Henry Home Kames | Conduct, society & education | English | August 12, 2018 | 466.3K | 57678 |
| Elements of Criticism, Volume II. | Lord Henry Home Kames | Conduct, society & education | English | August 12, 2018 | 497.1K | 57679 |
| Elements of metaphysics | A. E. Taylor | Essays & miscellany | English | October 15, 2023 | 1.2M | 71885 |
| Elements of Military Art and Science | Henry Wager Halleck | Essays & miscellany | English | July 1, 2005 | 861.6K | 16170 |
| Elements of Physiophilosophy | Lorenz Oken | Essays & miscellany | English | June 11, 2015 | 1.3M | 49196 |
| Életbölcseség: Aforizmák | Arthur Schopenhauer | 19th century | Hungarian | January 12, 2021 | 425.0K | 64278 |
| Éloge de la paresse | Eugène Marsan | Essays & miscellany | French | July 3, 2023 | 73.8K | 71110 |
| Éloge du pet | Claude-François-Xavier Mercier de Compiègne | Essays & miscellany | French | June 14, 2020 | 169.9K | 62399 |
| Emberi problémák | Sándor Tonelli | Essays & miscellany | Hungarian | May 1, 2023 | 491.2K | 70682 |
| Emil, vagy a nevelésről | Jean-Jacques Rousseau | Early modern & Enlightenment | Hungarian | December 8, 2021 | 1.6M | 66903 |
| Emile | Jean-Jacques Rousseau | Early modern & Enlightenment | English | April 1, 2004 | 1.3M | 5427 |
| Émile eli Kasvatuksesta | Jean-Jacques Rousseau | Early modern & Enlightenment | Finnish | July 20, 2014 | 1.7M | 46340 |
| Émile; Or, Concerning Education; Extracts | Jean-Jacques Rousseau | Early modern & Enlightenment | English | November 9, 2009 | 302.4K | 30433 |
| English Secularism: A Confession of Belief | George Jacob Holyoake | Religion & theology | English | November 22, 2011 | 218.1K | 38104 |
| Entretien d'un père avec ses enfants | Denis Diderot | Early modern & Enlightenment | French | April 25, 2009 | 72.3K | 28604 |
| Entwurf einer neuen Ästhetik der Tonkunst | Ferruccio Busoni | Essays & miscellany | German | February 23, 2008 | 96.7K | 24677 |
| Epidemics Examined and Explained: or, Living Germs Proved by Analogy to be a Source of Disease | John Grove | Essays & miscellany | English | December 9, 2010 | 294.5K | 34603 |
| Epistle to the Son of the Wolf | Bahá’u’lláh | Essays & miscellany | English | June 23, 2005 | 279.0K | 16697 |
| Equality | Charles Dudley Warner | Essays & miscellany | English | December 5, 2004 | 67.7K | 3118 |
| Erasmus Against War | Desiderius Erasmus | Essays & miscellany | English | April 20, 2012 | 143.9K | 39487 |
| Erewhon Revisited Twenty Years Later, Both by the Original Discoverer of the Country and by His Son | — | Essays & miscellany | English | — | 463.3K | 1971 |
| Erotika Biblion | comte de Honoré-Gabriel de Riqueti Mirabeau | 19th century | German | August 11, 2013 | 244.0K | 43438 |
| Eryxias | An Imitator of Plato | Ancient & classical | English | March, 1999 | 58.2K | 1681 |
| España y los Estados Unidos de Norte América | Agustín Aragón | Essays & miscellany | Spanish | August 4, 2023 | 134.2K | 71339 |
| Esprit des lois | baron de Charles de Secondat Montesquieu | Essays & miscellany | French | December 20, 2008 | 749.6K | 27573 |
| Essai d'éducation nationale, ou, plan d'études pour la jeunesse | Louis-René de Caradeuc de La Chalotais | Essays & miscellany | French | February 14, 2025 | 228.7K | 75373 |
| Essais de Montaigne (self-édition) - Volume I | Michel de Montaigne | Early modern & Enlightenment | French | March 19, 2015 | 1.9M | 48529 |
| Essais de Montaigne (self-édition) - Volume II | Michel de Montaigne | Early modern & Enlightenment | French | June 8, 2015 | 1.9M | 49168 |
| Essais de Montaigne (self-édition) - Volume III | Michel de Montaigne | Early modern & Enlightenment | French | February 1, 2019 | 1.9M | 58801 |
| Essais de Montaigne (self-édition) - Volume IV | Michel de Montaigne | Early modern & Enlightenment | French | January 16, 2019 | 2.9M | 58706 |
| Essais sur la necessité et les moyens de plaire | M. de Moncrif | Essays & miscellany | French | July 20, 2024 | 266.0K | 74080 |
| Essay upon Wit | — | Essays & miscellany | English | — | 67.3K | 13484 |
| Essays | Ralph Waldo Emerson | 19th century | English | September 4, 2005 | 553.9K | 16643 |
| Essays | David Hume | Early modern & Enlightenment | English | May 17, 2011 | 229.0K | 36120 |
| Essays — First Series | Ralph Waldo Emerson | 19th century | English | December 1, 2001 | 429.3K | 2944 |
| Essays and Dialogues | Giacomo Leopardi | Essays & miscellany | English | June 17, 2016 | 454.0K | 52356 |
| Essays and soliloquies | Miguel de Unamuno | Modern & 20th century | English | July 23, 2023 | 400.5K | 71260 |
| Essays Before a Sonata | Charles Ives | Essays & miscellany | English | January 1, 2003 | 210.0K | 3673 |
| Essays in Experimental Logic | John Dewey | Modern & 20th century | English | September 19, 2012 | 678.8K | 40794 |
| Essays In Pastoral Medicine | Austin O'Malley | Religion & theology | English | March 3, 2012 | 778.9K | 39036 |
| Essays in Radical Empiricism | William James | Modern & 20th century | English | May 26, 2010 | 349.2K | 32547 |
| Essays in Rationalism | Charles Robert Newman | Religion & theology | English | May 30, 2014 | 109.4K | 45823 |
| Essays in War-Time: Further Studies in the Task of Social Hygiene | Havelock Ellis | Essays & miscellany | English | February 1, 2006 | 385.8K | 9887 |
| Essays in Zen Buddhism | Daisetz Teitaro Suzuki | Eastern & classical | English | July 10, 2023 | 874.3K | 71157 |
| Essays of an Americanist | Daniel G. Brinton | Essays & miscellany | English | December 13, 2018 | 817.4K | 58464 |
| Essays of Michel de Montaigne — Volume 01 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 134.9K | 3581 |
| Essays of Michel de Montaigne — Volume 02 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 119.6K | 3582 |
| Essays of Michel de Montaigne — Volume 03 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 127.4K | 3583 |
| Essays of Michel de Montaigne — Volume 04 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 123.6K | 3584 |
| Essays of Michel de Montaigne — Volume 05 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 127.7K | 3585 |
| Essays of Michel de Montaigne — Volume 06 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 183.7K | 3586 |
| Essays of Michel de Montaigne — Volume 07 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 156.4K | 3587 |
| Essays of Michel de Montaigne — Volume 08 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 117.1K | 3588 |
| Essays of Michel de Montaigne — Volume 09 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 136.5K | 3589 |
| Essays of Michel de Montaigne — Volume 10 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 158.4K | 3590 |
| Essays of Michel de Montaigne — Volume 11 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 168.5K | 3591 |
| Essays of Michel de Montaigne — Volume 12 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 152.1K | 3592 |
| Essays of Michel de Montaigne — Volume 13 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 186.3K | 3593 |
| Essays of Michel de Montaigne — Volume 14 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 152.4K | 3594 |
| Essays of Michel de Montaigne — Volume 15 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 171.0K | 3595 |
| Essays of Michel de Montaigne — Volume 16 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 141.4K | 3596 |
| Essays of Michel de Montaigne — Volume 17 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 168.0K | 3597 |
| Essays of Michel de Montaigne — Volume 18 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 181.0K | 3598 |
| Essays of Michel de Montaigne — Volume 19 | Michel de Montaigne | Early modern & Enlightenment | English | November 1, 2004 | 163.5K | 3599 |
| Essays of Schopenhauer | — | 19th century | English | — | 423.3K | 11945 |
| Essays on Darwinism | Thomas Roscoe Rede Stebbing | Essays & miscellany | English | May 18, 2015 | 308.8K | 48987 |
| Essays on God and Freud | Samuel Vaknin | Modern & 20th century | English | October 1, 2009 | 20.0K | 30154 |
| Essays on Life, Art and Science | Samuel Butler | Essays & miscellany | English | October 1, 2002 | 388.9K | 3461 |
| Essays on Taste | — | Essays & miscellany | English | — | 55.4K | 13464 |
| Essays on the Materialistic Conception of History | Antonio Labriola | Essays & miscellany | English | June 1, 2010 | 376.2K | 32644 |
| Essays Towards a Theory of Knowledge | Alexander Philip | Essays & miscellany | English | November 9, 2007 | 169.5K | 23422 |
| Essays Upon Some Controverted Questions | Thomas Henry Huxley | Essays & miscellany | English | December 19, 2010 | 1.0M | 34698 |
| Essays �sthetical | George Calvert | Essays & miscellany | English | July 12, 2004 | 325.1K | 12896 |
| Essays, or discourses, vol. 1 (of 4) | Benito Jerónimo Feijoo | Essays & miscellany | English | July 26, 2023 | 464.5K | 71277 |
| Essays, or discourses, vol. 2 (of 4) | Benito Jerónimo Feijoo | Essays & miscellany | English | July 26, 2023 | 490.3K | 71278 |
| Essays, or discourses, vol. 4 (of 4) | Benito Jerónimo Feijoo | Essays & miscellany | English | June 5, 2025 | 471.2K | 76229 |
| Essays: Scientific, Political, & Speculative; Vol. 1 of 3 | Herbert Spencer | 19th century | English | August 31, 2009 | 991.2K | 29869 |
| Essays: Scientific, Political, & Speculative; Vol. 2 of 3 | Herbert Spencer | 19th century | English | October 29, 2016 | 1008.7K | 53395 |
| Essays: Scientific, Political, & Speculative; Vol. 3 of 3 | Herbert Spencer | 19th century | English | January 30, 2017 | 1.1M | 54076 |
| Estudos sobre criminalidade e educação (philosophia e anthropagogia) | Manuel Antonio Ferreira-Deusdado | Essays & miscellany | Portuguese | August 15, 2022 | 497.1K | 68751 |
| Eternal Life | Henry Drummond | Essays & miscellany | English | January 6, 2010 | 82.8K | 30876 |
| Etsijäin seura | G. Lowes Dickinson | Essays & miscellany | Finnish | September 2, 2025 | 237.8K | 76797 |
| Eugenics and Other Evils | G. K. Chesterton | Essays & miscellany | English | May 3, 2008 | 292.9K | 25308 |
| Euphorion - Vol. II | Vernon Lee | Essays & miscellany | English | February 17, 2010 | 353.5K | 31304 |
| Eureka | Edgar Allan Poe | Essays & miscellany | French | July 23, 2017 | 290.8K | 55175 |
| Eureka: A Prose Poem | Edgar Allan Poe | Essays & miscellany | English | April 18, 2010 | 289.8K | 32037 |
| Euthydemus | Plato | Ancient & classical | English | January 1999 | 133.4K | 1598 |
| Euthyphro | Plato | Ancient & classical | English | February, 1999 | 69.5K | 1642 |
| Evankeliumin alku eli Jeesuksen syntyminen ihmisestä ja jumalasta | Arvid Järnefelt | Essays & miscellany | Finnish | January 5, 2016 | 115.6K | 50851 |
| Eve's Diary, Part 2 | Mark Twain | Essays & miscellany | English | June 1, 2004 | 29.1K | 8527 |
| Evergreens | Jerome K. Jerome | Essays & miscellany | English | March 1, 1997 | 51.1K | 857 |
| Every-day heroism | Anonymous | Essays & miscellany | English | June 2, 2020 | 24.9K | 62307 |
| Evidences of Christianity | — | Religion & theology | English | — | 763.3K | 14780 |
| Evolution | F. B. Jevons | Essays & miscellany | English | December 15, 2010 | 589.4K | 34656 |
| Evolution | Edward Hoare | Essays & miscellany | English | June 8, 2016 | 62.2K | 52273 |
| Evolution | Theodore Graebner | Essays & miscellany | English | September 18, 2006 | 264.9K | 19321 |
| Evolution and creation | Herbert Junius Hardwicke | Essays & miscellany | English | July 22, 2017 | 525.2K | 55172 |
| Evolution of Life and Form | Annie Besant | Essays & miscellany | English | July 13, 2012 | 226.1K | 40224 |
| Evolution Social and Organic | Arthur M. Lewis | Essays & miscellany | English | August 11, 2018 | 249.3K | 57671 |
| Evolution, Old & New | Samuel Butler | Essays & miscellany | English | November 9, 2007 | 716.9K | 23427 |
| Evolution: Its nature, its evidence, and its relation to religious thought | Joseph LeConte | Essays & miscellany | English | September 10, 2014 | 597.2K | 46834 |
| Examination of the Rev. Mr. Harris's scriptural researches on the licitness of the slave trade | James Ramsay | Modern & 20th century | English | October 25, 2022 | 65.3K | 69233 |
| Exempting the Churches | James F. Morton | Modern & 20th century | English | December 22, 2011 | 183.5K | 38371 |
| Expédition nocturne autour de ma chambre | Xavier de Maistre | Essays & miscellany | French | July 15, 2012 | 121.5K | 40247 |
| Experimental Investigation of the Spirit Manifestations | Robert Hare | Religion & theology | English | December 28, 2020 | 1.4M | 64160 |
| Experiments of Spiritual Life & Health, and Their Preservatives | Roger Williams | Modern & 20th century | English | August 16, 2020 | 165.2K | 62944 |
| Expositor's Bible: The Book of Ecclesiastes | Samuel Cox | Religion & theology | English | June 4, 2012 | 478.1K | 39913 |
| Extracts from "Sikes on Parochial Communion" | Thomas Sikes | Essays & miscellany | English | May 25, 2020 | 39.6K | 62228 |
| Fables of Infidelity and Facts of Faith | Robert Patterson | Religion & theology | English | October 17, 2006 | 1.0M | 19566 |
| Facts and fancies in modern science | Sir John William Dawson | Modern & 20th century | English | April 3, 2013 | 263.8K | 42466 |
| Faidoni | Plato | Ancient & classical | Finnish | September 8, 2006 | 235.2K | 19210 |
| Faiseurs de peines et faiseurs de joies | Dora Melegari | Essays & miscellany | French | July 28, 2022 | 348.5K | 68621 |
| Fancy's Show-Box (From "Twice Told Tales") | Nathaniel Hawthorne | Essays & miscellany | English | November 1, 2005 | 32.5K | 9208 |
| Fantasia of the Unconscious | D. H. Lawrence | Essays & miscellany | English | February 24, 2007 | 376.2K | 20654 |
| Fashionable Philosophy | Laurence Oliphant | Essays & miscellany | English | November 20, 2005 | 186.1K | 17120 |
| Father Payne | — | Essays & miscellany | English | — | 625.4K | 12264 |
| Felicidade pela Agricultura (Vol. I) | Antonio Feliciano de Castilho | Essays & miscellany | Portuguese | October 10, 2022 | 276.5K | 69122 |
| Feltalálók, felfedezők, nagy emberek | Wilhelm Ostwald | Essays & miscellany | Hungarian | April 23, 2025 | 442.7K | 75946 |
| Female affection | Basil Montagu | Essays & miscellany | English | May 13, 2022 | 78.0K | 68068 |
| Feminism and Sex-Extinction | Arabella Kenealy | Essays & miscellany | English | November 9, 2011 | 678.1K | 37964 |
| Fenelon's Treatise on the Education of Daughters | François de Salignac de La Mothe- Fénelon | Conduct, society & education | English | December 10, 2014 | 199.3K | 47621 |
| Feuerbach | Friedrich Engels | 19th century | English | January 15, 2009 | 158.1K | 27814 |
| Fifty Great Cartoons | Frank Beard | Essays & miscellany | English | November 26, 2021 | 76.1K | 66822 |
| Filosofía Americana: Ensayos | Enrique Molina | Essays & miscellany | Spanish | November 13, 2013 | 399.2K | 44173 |
| Filosofia Fundamental I-IV, Volumen 2 | Jaime Balmes | Essays & miscellany | Spanish | June 25, 2005 | 518.6K | 16132 |
| Filosofía Fundamental, Tomo I (Spanish) | — | Essays & miscellany | English | — | 521.9K | 13608 |
| Filosofía Fundamental, Tomo IV | Jaime Luciano Balmes | Ancient & classical | Spanish | March 29, 2009 | 554.5K | 28430 |
| Filosofia Fundamental, Volumen III | Jaime Balmes | Essays & miscellany | Spanish | March 13, 2006 | 500.0K | 17974 |
| Filosofiset mietelmät | Francis Bacon | Early modern & Enlightenment | Finnish | August 3, 2008 | 178.8K | 26179 |
| First notions of logic (preparatory to the study of geometry) | Augustus De Morgan | Essays & miscellany | English | December 26, 2021 | 85.2K | 67017 |
| First Principles | Herbert Spencer | 19th century | English | July 5, 2017 | 1.0M | 55046 |
| Five Lectures on Reincarnation | Swami Abhedananda | Essays & miscellany | English | January 1, 2005 | 137.5K | 7377 |
| Five Pebbles from the Brook | George Bethune English | Essays & miscellany | English | November 20, 2006 | 253.4K | 19879 |
| Five Years of Theosophy | — | Religion & theology | English | — | 885.8K | 14378 |
| Flames | — | Essays & miscellany | English | — | 962.7K | 14253 |
| Flowers of Freethought (First Series) | G. W. Foote | Essays & miscellany | English | October 6, 2009 | 414.5K | 30202 |
| Flowers of Freethought (Second Series) | G. W. Foote | Essays & miscellany | English | October 6, 2009 | 589.2K | 30203 |
| Foundations of World Unity | ‘Abdu’l-Bahá | Essays & miscellany | English | September 2006 | 286.8K | 19238 |
| Four-Dimensional Vistas | — | Essays & miscellany | English | — | 181.3K | 11906 |
| Fra Contadini | Errico Malatesta | Essays & miscellany | Italian | February 17, 2015 | 132.7K | 48292 |
| Fra Tommaso Campanella, Vol. 1 | Luigi Amabile | Essays & miscellany | Italian | April 1, 2018 | 1.3M | 56890 |
| Frammenti letterari e filosofici | da Vinci Leonardo | Conduct, society & education | Italian | April 26, 2022 | 513.9K | 67931 |
| Free Thought and Official Propaganda | Bertrand Russell | Modern & 20th century | English | February 16, 2014 | 65.9K | 44932 |
| Freedom! Equality!! Justice!!! These Three; but the Greatest of These Is Justice | Victoria C. Woodhull | Essays & miscellany | English | May 31, 2021 | 105.4K | 65477 |
| Friedrich Nietzsche | Georg Brandes | 19th century | English | December 8, 2014 | 233.5K | 47588 |
| Friedrich Nietzsche in seinen Werken | Lou Andreas-Salomé | 19th century | German | November 22, 2015 | 465.6K | 50525 |
| Friedrich Nietzsche: Ein Kämpfer gegen seine Zeit | Rudolf Steiner | 19th century | German | November 24, 2016 | 203.5K | 53592 |
| Friends in Council — First Series | Sir Arthur Helps | Essays & miscellany | English | February 1, 2005 | 310.1K | 7438 |
| From the Ball-Room to Hell | T. A. Faulkner | Essays & miscellany | English | July 5, 2006 | 85.7K | 18759 |
| Frondes Agrestes: Readings in 'Modern Painters' | John Ruskin | Essays & miscellany | English | January 22, 2010 | 220.5K | 31045 |
| Fruits of Philosophy: A Treatise on the Population Question | Charles Knowlton | Essays & miscellany | English | December 1, 2011 | 142.4K | 38185 |
| Führende Denker: Geschichtliche Einleitung in die Philosophie | Jonas Cohn | Essays & miscellany | German | December 3, 2017 | 323.1K | 56110 |
| Fundamental Philosophy, Vol. 1 (of 2) | Jaime Luciano Balmes | Ancient & classical | English | February 3, 2015 | 998.7K | 48149 |
| Fundamental Philosophy, Vol. 2 (of 2) | Jaime Luciano Balmes | Ancient & classical | English | June 20, 2015 | 982.7K | 49244 |
| Fundamentals of Prosperity: What They Are and Whence They Come | Roger Ward Babson | Essays & miscellany | English | May 16, 2007 | 83.7K | 21502 |
| Galeni pergamensis de temperamentis, et de inaequali intemperie | Galen | Essays & miscellany | Latin | February 27, 2019 | 335.5K | 58978 |
| Gallio | J. W. N. Sullivan | Essays & miscellany | English | August 3, 2025 | 77.2K | 76629 |
| Gamblers and Gambling | Henry Ward Beecher | Essays & miscellany | English | December 24, 2010 | 69.9K | 34743 |
| Gambling; or, Fortuna, her temple and shrine. | James Harold Romain | Modern & 20th century | English | July 29, 2019 | 215.3K | 60005 |
| Game and Playe of the Chesse | — | Essays & miscellany | English | — | 350.9K | 10672 |
| Gedancken von Schertzen | Georg Friedrich Meier | Essays & miscellany | German | March 23, 2016 | 209.2K | 51535 |
| Gedanken über Religion | George John Romanes | Religion & theology | German | February 13, 2016 | 338.9K | 51208 |
| Gedankengut aus meinen Wanderjahren. Erster Band | Max Dauthendey | Essays & miscellany | German | August 16, 2014 | 528.4K | 46593 |
| Gems (?) of German Thought | — | Essays & miscellany | English | March 24, 2009 | 259.7K | 28396 |
| Gems of Divine Mysteries | Bahá’u’lláh | Religion & theology | English | June 23, 2005 | 117.2K | 16939 |
| Genuine Mediumship; or, The Invisible Powers | William Walker Atkinson | Modern & 20th century | English | May 5, 2008 | 461.2K | 25337 |
| George Buchanan | Robert Wallace | Essays & miscellany | English | April 17, 2014 | 240.9K | 45427 |
| German philosophy and politics | John Dewey | Modern & 20th century | English | February 26, 2013 | 181.3K | 42208 |
| Geschichte der Philosophie im Islam | T. J. de Boer | Religion & theology | German | May 7, 2017 | 365.3K | 54679 |
| Geschlecht und Charakter: Eine prinzipielle Untersuchung | Otto Weininger | Essays & miscellany | German | February 14, 2016 | 1.4M | 51221 |
| Gespräche für Freimaurer | Gotthold Ephraim Lessing | Essays & miscellany | German | November 1, 2005 | 55.0K | 9326 |
| Giordano Bruno | Walter Pater | Essays & miscellany | English | July 1, 2003 | 52.2K | 4228 |
| Giordano Bruno | J. Lewis McIntyre | Essays & miscellany | English | September 19, 2014 | 694.2K | 46901 |
| Giphantia | Charles-François Tiphaigne de La Roche | Essays & miscellany | English | August 4, 2019 | 192.5K | 60058 |
| Gita and gospel | J. N. Farquhar | Eastern & classical | English | February 28, 2024 | 189.3K | 73070 |
| Gleanings from Maeterlinck | Maurice Maeterlinck | Essays & miscellany | English | March 13, 2022 | 323.4K | 67625 |
| Gleanings from the Writings of Bahá’u’lláh | Bahá’u’lláh | Essays & miscellany | English | June 23, 2005 | 519.3K | 16940 |
| Gleanings of a Mystic: A Series of Essays on Practical Mysticism | Max Heindel | Religion & theology | English | March 21, 2017 | 295.8K | 54407 |
| God | T. D. Curtis | Religion & theology | English | May 10, 2013 | 43.2K | 42683 |
| God and Mr. Wells: A Critical Examination of 'God the Invisible King' | William Archer | Modern & 20th century | English | January 7, 2010 | 186.9K | 30882 |
| God and My Neighbour | Robert Blatchford | Religion & theology | English | July 1, 2004 | 388.1K | 6172 |
| God and the State | Mikhail Aleksandrovich Bakunin | Religion & theology | English | June 30, 2011 | 207.0K | 36568 |
| God and the World: A Survey of Thought | Arthur William Robinson | Modern & 20th century | English | December 19, 2009 | 147.2K | 30709 |
| God the Known and God the Unknown | Samuel Butler | Religion & theology | English | February 1, 2001 | 109.4K | 2513 |
| God, the Invisible King | — | Religion & theology | English | — | 228.2K | 1046 |
| God's Country: The Trail to Happiness | James Oliver Curwood | Modern & 20th century | English | September 17, 2016 | 153.1K | 53073 |
| Goethe's Faust | J. D. Bierens de Haan | Essays & miscellany | Dutch | October 12, 2007 | 147.4K | 23018 |
| Goethe's Theory of Colours | Johann Wolfgang von Goethe | Essays & miscellany | English | November 29, 2015 | 592.8K | 50572 |
| Goethes Weltanschauung | Rudolf Steiner | Essays & miscellany | German | November 21, 2016 | 321.2K | 53569 |
| Golden Steps to Respectability, Usefulness and Happiness | — | Conduct, society & education | English | — | 237.4K | 14239 |
| Good Sense | baron d' Paul Henri Thiry Holbach | Essays & miscellany | English | January 1, 2005 | 367.5K | 7319 |
| Gorgias | Plato | Ancient & classical | Finnish | May 12, 2018 | 416.0K | 57145 |
| Gorgias | Plato | Ancient & classical | English | March, 1999 | 347.3K | 1672 |
| Gospel Philosophy | J. H. Ward | Religion & theology | English | August 20, 2014 | 316.7K | 46635 |
| Gott betet | Mechtild Lichnowsky | Essays & miscellany | German | September 20, 2014 | 35.4K | 46908 |
| Götzen-Dämmerung | Friedrich Wilhelm Nietzsche | 19th century | German | January 1, 2005 | 190.0K | 7203 |
| Great Testimony against scientific cruelty | Stephen Coleridge | Essays & miscellany | English | July 16, 2008 | 90.0K | 26074 |
| Grounds of Natural Philosophy: Divided into Thirteen Parts | Duchess of Margaret Cavendish Newcastle | Essays & miscellany | English | December 3, 2018 | 381.4K | 58404 |
| Grundgedanken über Krieg und Kriegführung | Carl von Clausewitz | Essays & miscellany | German | July 10, 2011 | 170.1K | 36693 |
| Grundriß der Logik | Kurt Joachim Grau | Essays & miscellany | German | April 27, 2024 | 421.5K | 73480 |
| H. P. Blavatsky; A Great Betrayal | Alice Leighton Cleather | Essays & miscellany | English | June 11, 2011 | 209.6K | 36373 |
| Habits and men, with remnants of record touching the makers of both | Dr. Doran | Conduct, society & education | English | August 23, 2022 | 792.7K | 68823 |
| Half Hours With Modern Scientists: Lectures and Essays | Thomas Henry Huxley | Essays & miscellany | English | August 30, 2021 | 514.1K | 66177 |
| Happiness as Found in Forethought Minus Fearthought | Horace Fletcher | Conduct, society & education | English | September 6, 2014 | 242.5K | 46777 |
| Happiness in Purgatory | Anonymous | Conduct, society & education | English | December 3, 2010 | 29.4K | 34557 |
| Happiness: Essays on the meaning of life | Karl Hilty | Conduct, society & education | English | August 23, 2022 | 196.6K | 68817 |
| Harhama I | Maiju Lassila | Essays & miscellany | Finnish | May 29, 2016 | 907.5K | 52186 |
| Harmonies of Political Economy | Frédéric Bastiat | Essays & miscellany | English | February 24, 2014 | 1.4M | 45002 |
| Hasisadra's Adventure | Thomas Henry Huxley | Essays & miscellany | English | May 1, 2001 | 88.3K | 2633 |
| Haudattu temppeli | Maurice Maeterlinck | Essays & miscellany | Finnish | September 29, 2020 | 339.5K | 63333 |
| Have you an educated heart? | Gelett Burgess | Essays & miscellany | English | December 23, 2022 | 60.8K | 69614 |
| Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry | Joseph Priestley | Essays & miscellany | English | October 9, 2011 | 210.4K | 37682 |
| Heart and Soul | Victor Mapes (AKA Maveric Post) | Religion & theology | English | October 2, 2006 | 443.6K | 19432 |
| Heart's-ease | Phillips Brooks | Essays & miscellany | English | December 18, 2008 | 29.9K | 27563 |
| Heaven and its Wonders and Hell | Emanuel Swedenborg | Essays & miscellany | English | December 22, 2005 | 976.4K | 17368 |
| Hebraic Literature; Translations from the Talmud, Midrashim and Kabbala | — | Religion & theology | English | — | 827.6K | 14368 |
| Hebrew Literature | — | Religion & theology | English | March 20, 2009 | 874.4K | 28369 |
| Hegel's Lectures on the History of Philosophy: Volume 1 (of 3) | Georg Wilhelm Friedrich Hegel | 19th century | English | April 2, 2016 | 1009.7K | 51635 |
| Hegel's Lectures on the History of Philosophy: Volume 2 (of 3) | Georg Wilhelm Friedrich Hegel | 19th century | English | April 2, 2016 | 941.4K | 51636 |
| Hegel's Lectures on the History of Philosophy: Volume 3 (of 3) | Georg Wilhelm Friedrich Hegel | 19th century | English | October 26, 2018 | 1.1M | 58169 |
| Hegel's Philosophy of Mind | Georg Wilhelm Friedrich Hegel | 19th century | English | March 5, 2012 | 726.6K | 39064 |
| Heinrich von Kleist und die Kantische Philosophie | Ernst Cassirer | Early modern & Enlightenment | German | February 15, 2010 | 151.8K | 31276 |
| Heinrich von Kleist's politische Schriften und andere Nachträge zu seinen Werken | Heinrich von Kleist | Essays & miscellany | German | January 20, 2016 | 288.8K | 50979 |
| Hell: Warm Words on the Cheerful and Comforting Doctrine of Eternal Damnation | Robert Green Ingersoll | Conduct, society & education | English | October 10, 2011 | 62.4K | 37699 |
| Henkinen tarmo | Henri Bergson | Modern & 20th century | Finnish | September 3, 2024 | 387.2K | 74365 |
| Hephæstus | E. E. Fournier d'Albe | Essays & miscellany | English | March 17, 2024 | 79.1K | 73186 |
| Heräämiseni (Finnish) | — | Essays & miscellany | English | — | 289.8K | 14267 |
| Herder's conception of "das Volk" | Georgiana Rose Simpson | Essays & miscellany | English | November 28, 2022 | 157.8K | 69434 |
| Heretics | G. K. Chesterton | Essays & miscellany | English | March 1, 1996 | 381.1K | 470 |
| Heretics And Heresies | Robert Green Ingersoll | Essays & miscellany | English | November 22, 2011 | 69.6K | 38095 |
| Heroes in Peace | John Haynes Holmes | Essays & miscellany | English | December 29, 2007 | 62.2K | 24069 |
| Het Anarchisme in de Arbeidersbeweging | Jos. Loopuit | Essays & miscellany | Dutch | October 4, 2020 | 450.5K | 63362 |
| Het leven der bijen | Maurice Maeterlinck | Essays & miscellany | Dutch | January 7, 2012 | 394.3K | 38522 |
| Het leven van Hugo de Groot | Jacob Klinkhamer | Essays & miscellany | Dutch | May 2, 2007 | 203.4K | 21269 |
| Het tweevoudig verbond contra de drievoudige Entente | James M. Beck | Modern & 20th century | Dutch | February 11, 2015 | 112.6K | 48239 |
| Hidden from the Prudent | Paul Jones | Essays & miscellany | English | December 29, 2007 | 55.4K | 24067 |
| Hidden Symbolism of Alchemy and the Occult Arts | Herbert Silberer | Religion & theology | English | January 9, 2009 | 698.0K | 27755 |
| Hier et demain | Gustave Le Bon | Essays & miscellany | French | March 12, 2025 | 304.9K | 75601 |
| Hiero | — | Essays & miscellany | English | — | 88.7K | 1175 |
| Hieroglyfic: or, a Grammatical Introduction to an Universal Hieroglyfic Language | Rowland Jones | Essays & miscellany | English | May 13, 2019 | 198.1K | 59501 |
| Hieroglyphics | Arthur Machen | Essays & miscellany | English | July 15, 2012 | 271.1K | 40241 |
| Higher Education and Business Standards | Willard E. Hotchkiss | Conduct, society & education | English | August 12, 2009 | 95.4K | 29674 |
| Hilaire Belloc: No Alienated Man; A Study in Christian Integration | Frederick D. Wilhelmsen | Religion & theology | English | November 30, 2021 | 220.7K | 66856 |
| Hints to Husbands: A Revelation of the Man-Midwife's Mysteries | George Morant | Essays & miscellany | English | November 25, 2010 | 228.3K | 34436 |
| Hints towards the formation of a more comprehensive theory of life. | Samuel Taylor Coleridge | Essays & miscellany | English | January 17, 2008 | 172.9K | 24346 |
| Histoire d'un ruisseau | Elisée Reclus | Essays & miscellany | French | March 29, 2020 | 324.6K | 61697 |
| Histoire de la magie | Éliphas Lévi | Essays & miscellany | French | April 8, 2007 | 1.1M | 21013 |
| Histoire des nombres et de la numération mécanique | Jacomy-Régnier | Essays & miscellany | French | January 30, 2009 | 161.0K | 27936 |
| Histoire des rats, pour servir à l'histoire universelle | Claude Guillaume Bourdon de Sigrais | Essays & miscellany | French | May 10, 2021 | 213.6K | 65301 |
| Histoires du bon Dieu | Rainer Maria Rilke | Essays & miscellany | French | August 16, 2023 | 205.1K | 71420 |
| Historia Amoris: A History of Love, Ancient and Modern | Edgar Saltus | Essays & miscellany | English | May 24, 2010 | 367.9K | 32512 |
| Historia Calamitatum | — | Essays & miscellany | English | — | 161.0K | 14268 |
| Historia de las Indias (vol. 5 de 5) | Bartolomé de las Casas | Essays & miscellany | Spanish | September 23, 2016 | 1.0M | 53131 |
| Historic Doubts Relative To Napoleon Buonaparte | Richard Whately | Essays & miscellany | English | March 30, 2006 | 116.1K | 18087 |
| Historical materialism and the economics of Karl Marx | Benedetto Croce | 19th century | English | May 8, 2012 | 343.2K | 39653 |
| History of English Humour, Vol. 1 (of 2) | Alfred Guy Kingan L'Estrange | Essays & miscellany | English | May 2, 2006 | 509.4K | 18300 |
| History of Modern Philosophy | — | Essays & miscellany | English | — | 1.4M | 11100 |
| History of Modern Philosophy | Alfred William Benn | Modern & 20th century | English | November 11, 2010 | 270.5K | 34283 |
| History of scientific ideas | William Whewell | 19th century | English | October 4, 2022 | 1.4M | 69093 |
| History of Sculpture, Painting, and Architecture | J. S. Memes | Essays & miscellany | English | February 28, 2019 | 567.5K | 58981 |
| History of the Conflict Between Religion and Science | — | Religion & theology | English | — | 654.2K | 1185 |
| Höherzüchtung des Menschen auf biologischer Grundlage. | Paul Christian Franze | Religion & theology | German | October 9, 2013 | 174.7K | 43920 |
| Homer and Classical Philology | Friedrich Nietzsche | 19th century | English | April 17, 2006 | 59.0K | 18188 |
| Homer and His Age | Andrew Lang | Conduct, society & education | English | April 1, 2005 | 568.8K | 7972 |
| Homer's Odyssey | Denton Jaques Snider | Conduct, society & education | English | August 11, 2008 | 714.2K | 26275 |
| Homo-Culture; Or, The Improvement of Offspring Through Wiser Generation | M. L. Holbrook | Essays & miscellany | English | November 12, 2010 | 348.9K | 34299 |
| Hours with the Ghosts or, Nineteenth Century Witchcraft | Henry Ridgely Evans | Essays & miscellany | English | December 5, 2013 | 334.8K | 44349 |
| Hours with the Mystics: A Contribution to the History of Religious Opinion | Robert Alfred Vaughan | Religion & theology | English | July 30, 2022 | 1.6M | 68646 |
| How the Bible was Invented | M. M. Mangasarian | Religion & theology | English | July 5, 2011 | 75.7K | 36627 |
| How to Face Life | Stephen S. Wise | Essays & miscellany | English | December 1, 2019 | 73.1K | 60826 |
| How to Live on 24 Hours a Day | Arnold Bennett | Essays & miscellany | English | August 1, 2000 | 90.8K | 2274 |
| How We Think | John Dewey | Modern & 20th century | English | September 14, 2011 | 421.5K | 37423 |
| Hugo de Groot en zijn rechtsphilosophie (Dutch) | — | Essays & miscellany | English | — | 301.3K | 11591 |
| Human Intercourse | Philip Gilbert Hamerton | Essays & miscellany | English | July 30, 2013 | 757.6K | 43359 |
| Human Life | Sherwood Sweet Knight | Essays & miscellany | English | September 1, 2013 | 222.0K | 43618 |
| Human Nature, and Other Sermons | Joseph Butler | Religion & theology | English | March 1, 2002 | 287.8K | 3150 |
| Human Personality and Its Survival of Bodily Death | F. W. H. Myers | Essays & miscellany | English | January 3, 2012 | 1.3M | 38492 |
| Human Traits and their Social Significance | Irwin Edman | Essays & miscellany | English | August 13, 2007 | 1013.7K | 22306 |
| Human, All Too Human: A Book for Free Spirits | Friedrich Wilhelm Nietzsche | 19th century | English | November 26, 2011 | 238.5K | 38145 |
| Human, All-Too-Human: A Book for Free Spirits, Part 1 | Friedrich Wilhelm Nietzsche | 19th century | English | May 2, 2016 | 572.5K | 51935 |
| Human, All-Too-Human: A Book for Free Spirits, Part 2 | Friedrich Wilhelm Nietzsche | 19th century | English | October 24, 2011 | 523.8K | 37841 |
| Humanistic Nursing | Josephine G. Paterson | Essays & miscellany | English | April 8, 2008 | 367.8K | 25020 |
| Humanistic Studies of the University of Kansas, Vol. 1 | De Witt Clinton Croissant | Essays & miscellany | English | April 7, 2016 | 693.2K | 51685 |
| Humanitarian Philosophy, 4th Edition | Emil Edward Kusel | Essays & miscellany | English | March 26, 2015 | 69.0K | 48589 |
| Humanity's Gain from Unbelief | Charles Bradlaugh | Essays & miscellany | English | October 6, 2009 | 50.9K | 30206 |
| Hume | T.H. Huxley | Early modern & Enlightenment | English | July 13, 2006 | 400.0K | 18819 |
| Hume's Political Discourses | David Hume | Early modern & Enlightenment | English | June 22, 2019 | 637.3K | 59792 |
| Hymnen an die Nacht / Die Christenheit oder Europa | Novalis | Religion & theology | German | September 27, 2013 | 84.0K | 43821 |
| Hypatia | Dora Russell | Modern & 20th century | English | March 12, 2024 | 110.7K | 73154 |
| I don't know, do you? | Marilla M. Ricker | Essays & miscellany | English | February 15, 2021 | 160.2K | 64568 |
| Iamblichus on the mysteries of the Egyptians, Chaldeans, and Assyrians | Iamblichus | Ancient & classical | English | January 29, 2024 | 567.8K | 72815 |
| Iamblichus' Life of Pythagoras, or Pythagoric Life | Iamblichus | Ancient & classical | English | September 26, 2020 | 502.3K | 63300 |
| Icarus | Bertrand Russell | Modern & 20th century | English | September 5, 2021 | 62.8K | 66225 |
| Ideal Commonwealths | Various | Essays & miscellany | English | June 20, 2006 | 539.8K | 18638 |
| Ideen zu einer Physiognomik der Gewächse | Alexander von Humboldt | Essays & miscellany | German | September 24, 2007 | 56.5K | 22761 |
| Ihminen ja yli-ihminen: Komedia ja filosofia | Bernard Shaw | Essays & miscellany | Finnish | May 26, 2017 | 490.3K | 54786 |
| Ihminen uusimpien tieteellisten ja salatieteellisten tutkimusten valossa | Willie Angervo | Essays & miscellany | Finnish | April 26, 2024 | 144.6K | 73471 |
| Ihmisen velvollisuudet | Giuseppe Mazzini | Essays & miscellany | Finnish | September 30, 2018 | 301.8K | 57991 |
| Ihmisestä ja elämästä: Kirjoitelmia | Volter Kilpi | Essays & miscellany | Finnish | March 6, 2016 | 197.4K | 51375 |
| Ihmiskunnan edustaja | Ralph Waldo Emerson | 19th century | Finnish | June 11, 2016 | 440.4K | 52305 |
| Ikuiseen rauhaan: Valtio-oikeudellinen tutkielma | Immanuel Kant | Early modern & Enlightenment | Finnish | November 6, 2016 | 197.1K | 53461 |
| Il colore del tempo | Federico De Roberto | Essays & miscellany | Italian | May 19, 2010 | 315.4K | 32441 |
| Il Comento alla Divina Commedia, e gli altri scritti intorno a Dante, vol. 1 | Giovanni Boccaccio | Essays & miscellany | Italian | May 12, 2007 | 565.9K | 21424 |
| Il cristianesimo e la religione di domani | Romolo Murri | Religion & theology | Italian | April 30, 2008 | 108.7K | 25265 |
| Il Diavolo | Arturo Graf | Essays & miscellany | Italian | July 7, 2020 | 476.9K | 62579 |
| Il dolore nell'arte: discorso | Antonio Fogazzaro | Essays & miscellany | Italian | May 30, 2010 | 57.4K | 32599 |
| Il libro delle figurazioni ideali | Gianpietro Lucini | Essays & miscellany | Italian | February 6, 2006 | 110.8K | 17687 |
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| Illustrations of Universal Progress: A Series of Discussions | Herbert Spencer | 19th century | English | June 12, 2012 | 923.7K | 39977 |
| Im-ígyen szóla Zarathustra | Friedrich Wilhelm Nietzsche | 19th century | Hungarian | October 1, 2021 | 552.8K | 66444 |
| IMAGINÄRE BRÜCKEN | Jakob Wassermann | Essays & miscellany | German | November 5, 2005 | 266.7K | 17007 |
| Immortality proved by the testimony of sense | Abraham Cummings | Essays & miscellany | English | July 30, 2024 | 220.1K | 74156 |
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| In His Image | — | Essays & miscellany | English | — | 408.9K | 12744 |
| In the Fourth Year- Anticipations of a World Peace | — | Essays & miscellany | English | — | 207.2K | 10291 |
| In the School-Room: Chapters in the Philosophy of Education | John S. Hart | Conduct, society & education | English | January 25, 2010 | 452.8K | 31067 |
| In Tune with the Infinite; or, Fullness of Peace, Power, and Plenty | Ralph Waldo Trine | Essays & miscellany | English | November 20, 2007 | 282.2K | 23559 |
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| Index of the Project Gutenberg Works of Arthur Schopenhauer | Arthur Schopenhauer | 19th century | English | March 6, 2019 | 33.1K | 59024 |
| Index of the Project Gutenberg Works of Benjamin Franklin | Benjamin Franklin | Essays & miscellany | English | January 12, 2019 | 56.1K | 58676 |
| Index of the Project Gutenberg Works of Bertrand Russell | Bertrand Russell | Modern & 20th century | English | April 29, 2019 | 60.6K | 59391 |
| Index of the Project Gutenberg Works of Charles Bradlaugh | Charles Bradlaugh | Essays & miscellany | English | May 21, 2019 | 23.0K | 59570 |
| Index of the Project Gutenberg Works of Edmund Burke | Edmund Burke | Essays & miscellany | English | January 7, 2019 | 42.7K | 58646 |
| Index of the Project Gutenberg Works of Francis Bacon | Francis Bacon | Early modern & Enlightenment | English | March 30, 2019 | 29.3K | 59163 |
| Index of the Project Gutenberg Works of Frédéric Bastiat | Frédéric Bastiat | Essays & miscellany | English | January 1, 2019 | 86.2K | 58584 |
| Index of the Project Gutenberg Works of Friedrich Nietzsche | Friedrich Wilhelm Nietzsche | 19th century | English | October 4, 2018 | 35.1K | 58025 |
| Index of the Project Gutenberg Works of George Jacob Holyoake | George Jacob Holyoake | Religion & theology | English | May 26, 2019 | 25.2K | 59615 |
| Index of the Project Gutenberg Works of George William Foote | G. W. Foote | Modern & 20th century | English | May 26, 2019 | 25.7K | 59610 |
| Index of the Project Gutenberg Works of Herbert Spencer | Herbert Spencer | 19th century | English | April 29, 2019 | 26.6K | 59393 |
| Index of the Project Gutenberg Works of Immanuel Kant | Immanuel Kant | Early modern & Enlightenment | English | March 6, 2019 | 42.4K | 59023 |
| Index of the Project Gutenberg Works of John Fiske | John Fiske | Essays & miscellany | English | February 20, 2019 | 124.6K | 58925 |
| Index of the Project Gutenberg Works of John Stuart Mill | John Stuart Mill | 19th century | English | January 1, 2019 | 75.1K | 58583 |
| Index of the Project Gutenberg Works of M. M. Mangasarian | M. M. Mangasarian | Essays & miscellany | English | July 12, 2019 | 25.7K | 60013 |
| Index of the Project Gutenberg Works of Michel De Montaigne | Michel de Montaigne | Early modern & Enlightenment | English | July 12, 2019 | 93.2K | 60014 |
| Index of the Project Gutenberg Works of Ralph Waldo Emerson | Ralph Waldo Emerson | 19th century | English | March 1, 2019 | 142.8K | 58994 |
| Index of the Project Gutenberg Works of Walter Richard Cassels | Walter Richard Cassels | Essays & miscellany | English | May 21, 2019 | 22.4K | 59572 |
| India: What can it teach us? | F. Max Müller | Conduct, society & education | English | March 18, 2007 | 537.2K | 20847 |
| Indian Home Rule | Mahatma Gandhi | Conduct, society & education | English | August 9, 2012 | 185.4K | 40461 |
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| Individuality | Robert Green Ingersoll | Essays & miscellany | English | November 22, 2011 | 62.1K | 38098 |
| Inferno; Legenden | August Strindberg | Essays & miscellany | German | June 8, 2014 | 629.4K | 45916 |
| Influencia da Religião sobre a Politica do Estado | Inácio José de Macedo | Essays & miscellany | Portuguese | November 12, 2010 | 39.9K | 34289 |
| Ingersoll in Canada: A Reply to Wendling, Archbishop Lynch, Bystander; and Others | Allen Pringle | Essays & miscellany | English | December 14, 2011 | 170.1K | 38303 |
| Ingersollia | Robert Green Ingersoll | Essays & miscellany | English | November 22, 2011 | 402.0K | 38106 |
| Initiation into Philosophy | Émile Faguet | Essays & miscellany | English | November 1, 2005 | 254.5K | 9304 |
| Insights and Heresies Pertaining to the Evolution of the Soul | Anna Bishop Scofield | Religion & theology | English | May 8, 2006 | 246.9K | 18355 |
| Institutes of the Christian Religion (Vol. 1 of 2) | Jean Calvin | Religion & theology | English | February 24, 2014 | 1.8M | 45001 |
| Institutes of the Christian Religion (Vol. 2 of 2) | Jean Calvin | Religion & theology | English | January 26, 2021 | 2.0M | 64392 |
| Intelligence in Plants and Animals | Thomas G. Gentry | Essays & miscellany | English | February 14, 2021 | 883.3K | 64550 |
| Intermèdes | Emile Baumann | Essays & miscellany | French | January 29, 2024 | 408.2K | 72819 |
| International Congress of Arts and Science, Volume 1 | — | Essays & miscellany | English | December 10, 2011 | 1.0M | 38267 |
| International Thought | John Galsworthy | Essays & miscellany | English | December 20, 2021 | 36.3K | 66973 |
| International Weekly Miscellany of Literature, Art, and Science — Volume 1, No. 4, July 22, 1850 | — | Essays & miscellany | English | — | 186.4K | 13053 |
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| Introduction à la méthode de Léonard de Vinci | Paul Valéry | Essays & miscellany | French | July 20, 2018 | 142.5K | 57547 |
| Introduction to Non-Violence | Theodore Paullin | Essays & miscellany | English | June 2, 2006 | 185.5K | 18493 |
| Introduction to the Philosophy and Writings of Plato | — | Ancient & classical | English | — | 231.3K | 10214 |
| Ion | Plato | Ancient & classical | English | February, 1999 | 54.6K | 1635 |
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| Is Life Worth Living Without Immortality? | M. M. Mangasarian | Essays & miscellany | English | April 16, 2012 | 71.2K | 39455 |
| Is Life Worth Living? | William Hurrell Mallock | Modern & 20th century | English | December 2, 2005 | 516.9K | 17201 |
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| Is Spiritualism Based on Fraud? | Joseph McCabe | Religion & theology | English | April 12, 2016 | 291.2K | 51743 |
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| Is The Bible Worth Reading, and Other Essays | L. K. Washburn | Religion & theology | English | March 10, 2011 | 308.5K | 35539 |
| Is the Devil a Myth? | C. F. Wimberly | Essays & miscellany | English | July 12, 2013 | 240.7K | 43205 |
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| Isis very much unveiled, being the story of the great Mahatma hoax | Fydell Edmund Garrett | Essays & miscellany | English | August 17, 2019 | 299.0K | 60119 |
| Isis: Roman | comte de Auguste Villiers de L'Isle-Adam | 19th century | French | August 20, 2011 | 261.1K | 37138 |
| J. C. Lavater's Sittenbüchlein für das Gesinde | Johann Caspar Lavater | Essays & miscellany | German | October 25, 2013 | 51.4K | 44036 |
| Jacob Behmen | Alexander Whyte | Essays & miscellany | English | July 16, 2005 | 85.6K | 16306 |
| James Frederick Ferrier | Elizabeth Sanderson Haldane | Modern & 20th century | English | February 17, 2014 | 282.5K | 44949 |
| Janus in Modern Life | W. M. Flinders Petrie | Essays & miscellany | English | December 1, 2017 | 199.8K | 56095 |
| Japan: An Attempt at Interpretation | Lafcadio Hearn | Eastern & classical | English | June 1, 2004 | 727.4K | 5979 |
| Järjen sanoja sodasta: Englantilaisen "kapinoitsijan" arvostelua | Bernard Shaw | Essays & miscellany | Finnish | November 17, 2016 | 201.8K | 53543 |
| Jean Jacques Rousseau ja hänen filosofiansa | Harald Høffding | Early modern & Enlightenment | Finnish | September 2, 2016 | 281.8K | 52960 |
| Jean-Jacques Rousseau | Jules Lema�tre | Early modern & Enlightenment | French | August 6, 2006 | 525.9K | 18996 |
| Jenseits der Schriftkultur — Band 1 | Mihai Nadin | Essays & miscellany | German | August 1, 2003 | 223.6K | 4371 |
| Jenseits von Gut und Böse | Friedrich Wilhelm Nietzsche | 19th century | German | January 1, 2005 | 415.7K | 7204 |
| Jeremiah : Being The Baird Lecture for 1922 | George Adam Smith | Essays & miscellany | English | November 28, 2008 | 549.8K | 27351 |
| Jeunesse | Charles Wagner | Essays & miscellany | French | September 11, 2024 | 497.5K | 74404 |
| Jewish History : An Essay in the Philosophy of History | Simon Dubnow | Religion & theology | English | April 1, 2005 | 193.6K | 7836 |
| Jnâna Yoga, Part II: Seven Lectures | Swami Vivekananda | Eastern & classical | English | December 10, 2023 | 199.4K | 72368 |
| John Dewey's logical theory | Delton Thomas Howard | Modern & 20th century | English | November 26, 2011 | 319.0K | 38141 |
| John Stuart Mill; His Life and Works | Herbert Spencer, Henry Fawcett, Frederic Harrison and Other | 19th century | English | March 6, 2005 | 162.4K | 15268 |
| Johtavat aatteet ihmiskunnan historiassa | Yrjö Sakari Yrjö-Koskinen | Essays & miscellany | Finnish | April 21, 2013 | 629.5K | 42570 |
| Josef Dietzgens philosophische Lehren | Adolf Hepner | Essays & miscellany | German | November 29, 2015 | 370.8K | 50574 |
| Joseph Priestley | T. E. Thorpe | Essays & miscellany | English | February 28, 2018 | 442.7K | 56663 |
| Joseph Smith as Scientist: A Contribution to Mormon Philosophy | John Andreas Widtsoe | Essays & miscellany | English | November 18, 2010 | 279.6K | 34362 |
| Journal 01, 1837-1846 | Henry David Thoreau | Essays & miscellany | English | June 25, 2018 | 804.0K | 57393 |
| Journal 02, 1850-September 15, 1851 | Henry David Thoreau | Essays & miscellany | English | March 8, 2019 | 808.2K | 59031 |
| Joy and Power- Three Messages with One Meaning | — | Essays & miscellany | English | — | 65.4K | 10395 |
| Joyous Gard | Arthur Christopher Benson | Religion & theology | English | January 22, 2007 | 276.0K | 20423 |
| Jumalan etsijöitä | F. W. Farrar | Essays & miscellany | Finnish | December 16, 2018 | 572.4K | 58481 |
| Jusqu'à la fin du monde | Adolphe Retté | Essays & miscellany | French | March 13, 2024 | 301.8K | 73164 |
| Kant prolegomenái minden leendő metafizikához | Immanuel Kant | Early modern & Enlightenment | Hungarian | May 31, 2022 | 339.5K | 68216 |
| Kant und Goethe | Georg Simmel | Early modern & Enlightenment | German | February 6, 2011 | 105.5K | 35192 |
| Kant-breviarium: Kant világnézete és életfelfogása | Immanuel Kant | Early modern & Enlightenment | Hungarian | April 29, 2022 | 249.7K | 67952 |
| Kant's Critique of Judgement | Immanuel Kant | Early modern & Enlightenment | English | March 8, 2015 | 825.5K | 48433 |
| Kant's gesammelte Schriften. Band V. Kritik der praktischen Vernunft. | Immanuel Kant | Early modern & Enlightenment | German | July 29, 2015 | 509.6K | 49543 |
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| Kant's Prolegomena to Any Future Metaphysics | Immanuel Kant | Early modern & Enlightenment | English | August 16, 2016 | 308.7K | 52821 |
| Kant's Theory of Knowledge | H. A. Prichard | Early modern & Enlightenment | English | June 5, 2010 | 606.8K | 32701 |
| Karl Marx en zijne voorgangers | Jos. Loopuit | 19th century | Dutch | February 24, 2012 | 682.9K | 38975 |
| Kaunis ja sen lait | Viktor Rydberg | Essays & miscellany | Finnish | October 13, 2018 | 416.0K | 58087 |
| Keely and His Discoveries: Aerial Navigation | Mrs. Bloomfield H. Moore | Modern & 20th century | English | January 7, 2018 | 857.0K | 56332 |
| Keep Happy | Eustace Miles | Essays & miscellany | English | January 20, 2024 | 70.4K | 72765 |
| Kelet nagy gondolkodói | János Mester | Essays & miscellany | Hungarian | June 7, 2025 | 393.5K | 76238 |
| Kennisleer contra Materie-Realisme: Bijdrage tot "Kritiek" en Kantbegrip | Leo Polak | Early modern & Enlightenment | Dutch | February 25, 2022 | 899.7K | 67499 |
| Kertomisen taito | Jakob Wassermann | Essays & miscellany | Finnish | May 4, 2025 | 70.7K | 76011 |
| Keskinäinen ihmisyys | John Ruskin | Essays & miscellany | Finnish | April 30, 2019 | 269.6K | 59395 |
| Key to the Science of Theology | Parley P. Pratt | Religion & theology | English | March 3, 2011 | 253.9K | 35470 |
| Killing for Sport: Essays by Various Writers | — | Essays & miscellany | English | May 31, 2015 | 339.9K | 49097 |
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| King Solomon's Goat | George Willard Bartlett | Essays & miscellany | English | November 2, 2015 | 244.3K | 50368 |
| Kirkkoisä Augustinuksen Tunnustukset | Saint of Hippo Augustine | Medieval & scholastic | Finnish | April 17, 2017 | 369.2K | 54559 |
| Kirkkopuheet | Arvid Järnefelt | Essays & miscellany | Finnish | January 17, 2016 | 84.1K | 50951 |
| Klagen eines Knaben | Carl Ehrenstein | Essays & miscellany | German | July 13, 2012 | 67.4K | 40222 |
| Knights in Armour | — | Essays & miscellany | English | August 19, 2016 | 68.0K | 52854 |
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| Knowledge is power | Charles Knight | Essays & miscellany | English | December 22, 2011 | 797.6K | 38367 |
| Komet und Weltuntergang | Wilhelm Bölsche | Essays & miscellany | German | April 25, 2020 | 191.8K | 61928 |
| Komik und Humor: Eine Psychologische-Ästhetische Untersuchung | Theodor Lipps | Modern & 20th century | German | June 1, 2005 | 659.1K | 8298 |
| Köyhäin aarteet | Maurice Maeterlinck | Essays & miscellany | Finnish | March 19, 2017 | 260.6K | 54390 |
| Kreuzwege | Karel Čapek | Essays & miscellany | German | May 23, 2016 | 85.7K | 52144 |
| Kristus inkvisitorin edessä | Fyodor Dostoyevsky | Essays & miscellany | Finnish | August 2, 2016 | 74.7K | 52698 |
| Kritik der reinen Vernunft | Immanuel Kant | Early modern & Enlightenment | German | August 1, 2004 | 1.2M | 6342 |
| Kritik der reinen Vernunft | Immanuel Kant | Early modern & Enlightenment | German | August 1, 2004 | 1.3M | 6343 |
| Kuninkaitten aarteet | John Ruskin | Essays & miscellany | Finnish | June 23, 2018 | 149.7K | 57378 |
| Kuolema | Maurice Maeterlinck | Essays & miscellany | Finnish | November 19, 2016 | 226.7K | 53556 |
| Kuolema ja kuolematon | Arthur Schopenhauer | 19th century | Finnish | August 6, 2016 | 157.9K | 52735 |
| Kuolemantuomitun viimeinen päivä | Victor Hugo | Essays & miscellany | Finnish | December 21, 2016 | 162.0K | 53783 |
| Kurzgefaßte Symbolik der Freimaurerei. | Otto Henne am Rhyn | Essays & miscellany | German | May 11, 2024 | 226.2K | 73599 |
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| L'A. B. C. du libertaire | Jules Lermina | Essays & miscellany | French | January 31, 2007 | 65.0K | 20490 |
| L'ami | Charles Wagner | Essays & miscellany | French | December 14, 2024 | 310.7K | 74898 |
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| L'anima, la natura e la saggezza | Ralph Waldo Emerson | 19th century | Italian | November 10, 2022 | 800.7K | 69324 |
| L'Anticléricalisme | Émile Faguet | Essays & miscellany | French | April 30, 2013 | 513.8K | 42624 |
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| L'Arte | Federico De Roberto | Essays & miscellany | Italian | February 1, 2015 | 217.5K | 48131 |
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| La fin de l'art | Remy de Gourmont | Essays & miscellany | French | May 21, 2021 | 139.7K | 65403 |
| La Fin Des Livres | Octave Uzanne | Essays & miscellany | English, French | September 1, 2001 | 67.4K | 2820 |
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| La kialo de la vivo | Anonymous | Essays & miscellany | Esperanto | March 8, 2020 | 38.4K | 61581 |
| La libertà | John Stuart Mill | 19th century | Italian | May 7, 2020 | 316.8K | 62047 |
| La Liberté et le Déterminisme | Alfred Fouillée | 19th century | French | January 18, 2012 | 995.1K | 38618 |
| La lutte pour la santé- essai de pathologie générale (French) | — | Essays & miscellany | English | — | 429.5K | 12105 |
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| La monadologie (1909) | Gottfried Wilhelm Leibniz (1646-1716) | Early modern & Enlightenment | French | January 30, 2006 | 301.7K | 17641 |
| La Montaña (Spanish) | — | Essays & miscellany | English | — | 288.5K | 11598 |
| La Mort | Maurice Maeterlinck | Essays & miscellany | French | September 17, 2020 | 222.7K | 63222 |
| La Muerte Del Cisne | Carlos Reyles | Essays & miscellany | Spanish | April 9, 2017 | 297.4K | 54522 |
| La Palingenesi di Roma | Guglielmo Ferrero | Essays & miscellany | Italian | February 1, 2025 | 211.3K | 75269 |
| La Panhypocrisiade, ou le spectacle infernal du seizième siècle | Népomucène-Louis Lemercier | Essays & miscellany | French | January 12, 2017 | 529.5K | 53950 |
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| La Pensée de l'Humanité | graf Leo Tolstoy | Essays & miscellany | French | September 18, 2013 | 563.3K | 43761 |
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| La philosophie de M. Bergson | Albert Farges | Modern & 20th century | French | October 16, 2005 | 786.3K | 16887 |
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| La Révolution russe | graf Leo Tolstoy | Essays & miscellany | French | July 24, 2025 | 202.5K | 76557 |
| La serpicina | Francesco Domenico Guerrazzi | Essays & miscellany | Italian | January 6, 2009 | 67.9K | 27720 |
| La solitude | Johann Georg Zimmermann | Essays & miscellany | French | February 14, 2016 | 584.4K | 51214 |
| La Sorcière | Jules Michelet | Essays & miscellany | French | November 25, 2012 | 613.0K | 41486 |
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| La transformación de las razas en América | Agustín Alvarez | Essays & miscellany | Spanish | October 18, 2008 | 299.5K | 26947 |
| La vie des abeilles | Maurice Maeterlinck | Essays & miscellany | French | January 8, 2012 | 380.4K | 38527 |
| La Vie en Famille: Comment Vivre à Deux? | Bernard Henri Gausseron | Essays & miscellany | French | March 15, 2012 | 286.0K | 39156 |
| La vie simple | Charles Wagner | Essays & miscellany | French | December 1, 2013 | 273.3K | 44323 |
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| Laches | Plato | Ancient & classical | English | December, 1998 | 85.6K | 1584 |
| Laelius eli Ystävyydestä | Marcus Tullius Cicero | Ancient & classical | Finnish | April 9, 2017 | 122.7K | 54517 |
| Laki on kuollut — mutta tuomari on elävä | Anatole France | Essays & miscellany | Finnish | June 6, 2022 | 62.3K | 68246 |
| Landmarks of Scientific Socialism: "Anti-Duehring" | Friedrich Engels | 19th century | English | April 9, 2010 | 476.0K | 31933 |
| Lao-tzu, A Study in Chinese Philosophy | Thomas Watters | Eastern & classical | English | December 4, 2020 | 209.2K | 63958 |
| Laocoon | Gotthold Ephraim Lessing | Essays & miscellany | English | February 29, 2024 | 426.8K | 73078 |
| Laokoon: Oder, Über die Grenzen der Malerei und Poesie | Gotthold Ephraim Lessing | Essays & miscellany | German | November 1, 2004 | 408.7K | 6889 |
| Las máscaras, vol. 2/2 | Ramón Pérez de Ayala | Essays & miscellany | Spanish | July 12, 2015 | 412.0K | 49418 |
| Last letters from the living dead man | David Patterson Hatch | Conduct, society & education | English | October 5, 2025 | 196.8K | 76990 |
| Last Words on Evolution: A Popular Retrospect and Summary | Ernst Haeckel | Essays & miscellany | English | November 30, 2016 | 210.4K | 53639 |
| Latter-Day Pamphlets | — | Essays & miscellany | English | — | 428.1K | 1140 |
| Laughter: An Essay on the Meaning of the Comic | Henri Bergson | Modern & 20th century | English | August 1, 2003 | 246.8K | 4352 |
| Laurus Nobilis: Chapters on Art and Life | Vernon Lee | Essays & miscellany | English | January 31, 2009 | 342.2K | 27939 |
| Laws | Plato | Ancient & classical | English | May, 1999 | 1.3M | 1750 |
| Le bol de Chine; ou, divagations sur les beaux-arts | Pierre Mille | Eastern & classical | French | May 17, 2023 | 182.8K | 70789 |
| Le Cathécumène, traduit du chinois | — | Essays & miscellany | French | October 23, 2013 | 59.7K | 44017 |
| Le chemin de velours; Nouvelles dissociations d'idées | Remy de Gourmont | Essays & miscellany | French | March 13, 2022 | 402.6K | 67620 |
| Le chevalier délibéré | Olivier de La Marche | Essays & miscellany | French | January 15, 2008 | 115.1K | 24320 |
| Le culte de l'incompétence | Émile Faguet | Essays & miscellany | French | June 27, 2025 | 287.9K | 76395 |
| Le culte du moi 1 | Maurice Barr�s | Essays & miscellany | French | October 7, 2005 | 216.0K | 16812 |
| Le culte du moi 2 | Maurice Barr�s | Essays & miscellany | French | October 7, 2005 | 282.9K | 16813 |
| Le déséquilibre du monde | Gustave Le Bon | Essays & miscellany | French | April 8, 2025 | 435.9K | 75820 |
| Le diable peint par lui-même | — | Essays & miscellany | French | February 3, 2020 | 444.5K | 61311 |
| Le Double Jardin | Maurice Maeterlinck | Essays & miscellany | French | November 24, 2021 | 290.0K | 66817 |
| Le féminisme | Émile Faguet | Essays & miscellany | French | June 10, 2019 | 487.5K | 59719 |
| Le féminisme français II: L'émancipation politique et familiale de la femme | Charles Marie Joseph Turgeon | Essays & miscellany | French | September 17, 2009 | 903.6K | 30009 |
| Le grand secret | Maurice Maeterlinck | Essays & miscellany | French | April 18, 2022 | 365.9K | 67863 |
| Le idee di una donna | Neera | Essays & miscellany | Italian | April 28, 2023 | 217.3K | 70663 |
| Le Jardin d'Épicure | Anatole France | Essays & miscellany | French | February 1, 2004 | 226.7K | 5147 |
| Le livre des lotus entr'ouverts | Maurice Magre | Essays & miscellany | French | July 10, 2024 | 146.0K | 74003 |
| Le livre des visions et instructions de la bienheureuse Angèle de Foligno | Saint of Foligno Angela | Religion & theology | French | December 7, 2021 | 415.9K | 66894 |
| Le Monde comme il va, vision de Babouc | Voltaire | Early modern & Enlightenment | French | February 1, 2004 | 61.2K | 5138 |
| Le neveu de Rameau (French) | — | Essays & miscellany | English | — | 179.4K | 13862 |
| Le Pèlerin du silence | Remy de Gourmont | Essays & miscellany | French | January 25, 2006 | 190.8K | 17605 |
| Le Petit Art d'Aimer | Armand Silvestre | Essays & miscellany | French | May 20, 2020 | 173.2K | 62179 |
| Le poëme de Myrza - Hamlet | George Sand | Essays & miscellany | French | April 27, 2009 | 84.0K | 28623 |
| Le poète et l'inspiration | Francis Jammes | Essays & miscellany | French | July 27, 2009 | 41.2K | 29523 |
| Le positivisme anglais | Hypolite Taine | 19th century | French | February 9, 2006 | 164.5K | 17734 |
| Le roman de la rose - Tome IV | de Lorris Guillaume | Essays & miscellany | French | January 19, 2014 | 532.2K | 44713 |
| Le Salut par les Juifs | Léon Bloy | Essays & miscellany | French | March 8, 2021 | 150.2K | 64760 |
| Le second enfer d'Etienne Dolet | Etienne Dolet | Essays & miscellany | French | May 7, 2021 | 162.3K | 65275 |
| Le specule des pecheurs | active 15th century von Kastl Johannes | Essays & miscellany | French | August 26, 2008 | 84.3K | 26436 |
| Le temple enseveli | Maurice Maeterlinck | Essays & miscellany | French | April 11, 2021 | 340.4K | 65059 |
| Le trésor de la cité des dames de degré en degré et de tous estatz | de Pisan Christine | Religion & theology | French | September 13, 2008 | 371.2K | 26608 |
| Le trésor des humbles | Maurice Maeterlinck | Essays & miscellany | French | March 6, 2021 | 252.8K | 64719 |
| Le voyageur étonné | Adolphe Retté | Essays & miscellany | French | January 29, 2024 | 336.3K | 72798 |
| Leçons d'histoire, | C.-F. Volney | Essays & miscellany | French | May 26, 2012 | 562.4K | 39811 |
| Lectures and biographical sketches | Ralph Waldo Emerson | 19th century | English | April 23, 2025 | 579.1K | 75942 |
| Lectures and Essays | Thomas Henry Huxley | Essays & miscellany | English | August 8, 2005 | 495.8K | 16474 |
| Lectures of Col. R. G. Ingersoll - Latest | Robert Green Ingersoll | Essays & miscellany | English | June 1, 2005 | 769.9K | 8389 |
| Lectures of Col. R. G. Ingersoll, Volume I | Robert Green Ingersoll | Essays & miscellany | English | May 1, 2005 | 684.7K | 8140 |
| Lectures on Art | — | Essays & miscellany | English | — | 337.1K | 11391 |
| Lectures on Dramatic Art and Literature | August Wilhelm von Schlegel | Essays & miscellany | English | December 1, 2004 | 1.2M | 7148 |
| Lectures on Landscape | John Ruskin | Essays & miscellany | English | December 4, 2006 | 117.3K | 20019 |
| Lectures on the Philosophy and Practice of Slavery | William A. Smith | Modern & 20th century | English | October 11, 2012 | 458.8K | 41019 |
| Lectures on the Philosophy of the Human Mind (Vol. 1 of 3) | Thomas Brown | Essays & miscellany | English | July 7, 2013 | 1.2M | 43116 |
| Lectures on the Principles of Political Obligation | Thomas Hill Green | Essays & miscellany | English | April 22, 2020 | 657.5K | 61889 |
| Lectures on the true, the beautiful and the good | Victor Cousin | 19th century | English | May 23, 2011 | 863.1K | 36208 |
| Lehtisiä mietekirjastani | Zacharias Topelius | Essays & miscellany | Finnish | August 3, 2019 | 274.2K | 60049 |
| Leibnitz' Monadologie | Freiherr von Gottfried Wilhelm Leibniz | Early modern & Enlightenment | German | April 13, 2012 | 509.0K | 39441 |
| Leibniz: Zu seinem zweihunderjährigen Todestag 14. November 1916 | Wilhelm Max Wundt | Early modern & Enlightenment | German | December 8, 2019 | 288.4K | 60879 |
| Leibniz's New Essays Concerning the Human Understanding: A Critical Exposition | John Dewey | Early modern & Enlightenment | English | October 6, 2012 | 439.9K | 40957 |
| Leo Tolstoy | G. K. Chesterton | Essays & miscellany | English | May 6, 2020 | 80.7K | 62045 |
| Leonardo da Vinci als Ingenieur und Philosoph | Hermann Grothe | Essays & miscellany | German | April 13, 2019 | 279.1K | 59268 |
| Les caract�res | Jean de la Bruy�re | Essays & miscellany | French | March 14, 2006 | 841.3K | 17980 |
| Les confessions de saint Augustin, évêque d'Hippone: précédées de sa vie par S. Possidius, évêque de Calame... ; traduction nouvelle par L. Moreau | Saint of Hippo Augustine | Medieval & scholastic | French | February 4, 2022 | 819.3K | 67320 |
| Les deux paradis d'Abd-Er-Rhaman | Jules Tellier | Essays & miscellany | French | January 18, 2009 | 66.5K | 27831 |
| Les droits de la femme | Olympe de Gouges | Essays & miscellany | French | November 25, 2016 | 49.4K | 53595 |
| Les énigmes de l'Univers | Ernst Haeckel | Essays & miscellany | French | February 18, 2012 | 941.5K | 38925 |
| Les femmes et le langage | Remy de Gourmont | Essays & miscellany | French | March 7, 2021 | 49.4K | 64737 |
| Les Femmes qui tuent et les Femmes qui votent | Alexandre Dumas | Essays & miscellany | French | September 8, 2009 | 183.4K | 29937 |
| Les Français peints par eux-mêmes, tome 2 | — | Essays & miscellany | French | September 23, 2019 | 1.2M | 60347 |
| Les mains propres | Michel Corday | Essays & miscellany | French | August 25, 2023 | 356.7K | 71487 |
| Les Noces Chimiques | Christian Rosencreutz | Religion & theology | French | April 1, 2005 | 228.9K | 7854 |
| Les opinions de M. J�r�me Coignard | Anatole France | Essays & miscellany | French | September 10, 2006 | 269.4K | 19233 |
| Les opinions et les croyances | Gustave Le Bon | Essays & miscellany | French | April 29, 2025 | 545.7K | 75989 |
| Les partis politiques en Province | Paul Scudo | Essays & miscellany | French | March 19, 2020 | 229.4K | 61636 |
| Les Peintres Cubistes: [Méditations Esthétiques] | Guillaume Apollinaire | Essays & miscellany | French | September 27, 2017 | 110.5K | 55638 |
| Les Phénomènes Psychiques Occultes: État Actuel de la Question | Albert Coste | Religion & theology | French | May 30, 2013 | 462.8K | 42852 |
| Les pornographes sacrés: La confession et les confesseurs | Léo Taxil | Essays & miscellany | French | March 27, 2021 | 374.1K | 64935 |
| Les préjugés nécessaires | Émile Faguet | Essays & miscellany | French | October 23, 2025 | 493.8K | 77112 |
| Les questions esthétiques contemporaines | Robert de La Sizeranne | Essays & miscellany | French | April 23, 2016 | 434.4K | 51837 |
| Les Rêveries du Promeneur Solitaire | Jean-Jacques Rousseau | Early modern & Enlightenment | French | May 24, 2021 | 268.3K | 65434 |
| Les Ruines, ou méditation sur les révolutions des empires | C.-F. Volney | Essays & miscellany | French | January 29, 2009 | 678.0K | 27931 |
| Les sentiers dans la montagne | Maurice Maeterlinck | Essays & miscellany | French | September 12, 2020 | 276.4K | 63187 |
| Les Sources | Alphonse Gratry | Essays & miscellany | French | March 18, 2023 | 370.4K | 70319 |
| Lesser Hippias | Plato | Ancient & classical | English | March, 1999 | 72.6K | 1673 |
| Lessons in Life; A Series of Familiar Essays | J. G. Holland | Essays & miscellany | English | September 1, 2005 | 470.2K | 8932 |
| Letter to the Reverend Mr. Cary | George Bethune English | Conduct, society & education | English | February 13, 2008 | 78.4K | 24594 |
| Letters and social aims | Ralph Waldo Emerson | 19th century | English | August 12, 2023 | 410.3K | 71393 |
| Letters on Demonology and Witchcraft | — | Conduct, society & education | English | — | 636.2K | 14461 |
| Letters on England | Voltaire | Early modern & Enlightenment | English | December 1, 2000 | 235.1K | 2445 |
| Letters on the equality of the sexes, and the condition of woman | Sarah Grimké | Conduct, society & education | English | December 6, 2022 | 221.6K | 69485 |
| Letters That Have Helped Me | William Quan Judge | Modern & 20th century | English | October 28, 2017 | 388.8K | 55833 |
| Letters to Eugenia; Or, A Preservative Against Religious Prejudices | baron d' Paul Henri Thiry Holbach | Conduct, society & education | English | February 14, 2010 | 459.3K | 31275 |
| Letters To Eugenia; Or, A Preservative Against Religious Prejudices | baron d' Paul Henri Thiry Holbach | Conduct, society & education | English | November 22, 2011 | 454.1K | 38094 |
| Lettre à Louis XIV (French) | — | Essays & miscellany | English | — | 19.4K | 13914 |
| Lettres à un indifférent | Adolphe Retté | Essays & miscellany | French | January 29, 2024 | 375.0K | 72804 |
| Lettres persanes, tome I | baron de Charles de Secondat Montesquieu | Essays & miscellany | French | October 16, 2009 | 365.4K | 30268 |
| Levels of Living | Henry Frederick Cope | Essays & miscellany | English | June 29, 2006 | 276.7K | 18712 |
| Leviathan | Thomas Hobbes | Early modern & Enlightenment | English | May 1, 2002 | 1.2M | 3207 |
| Liberalism | L. T. Hobhouse | Essays & miscellany | English | March 8, 2009 | 303.2K | 28278 |
| Liberty in the Nineteenth Century | Frederic May Holland | Essays & miscellany | English | December 22, 2011 | 409.4K | 38373 |
| Library Notes | A. P. Russell | Modern & 20th century | English | June 15, 2012 | 816.9K | 39997 |
| Libro della divina dottrina: Dialogo della divina provvidenza | Saint of Siena Catherine | Religion & theology | Italian | October 19, 2008 | 988.8K | 26961 |
| Licht- en schaduwbeelden uit de Binnenlanden van Java | Franz Wilhelm Junghuhn | Essays & miscellany | Dutch | July 2, 2016 | 781.1K | 52477 |
| Life and Correspondence of David Hume, Volume 1 | John Hill Burton | Early modern & Enlightenment | English | May 30, 2013 | 996.5K | 42843 |
| Life and Correspondence of David Hume, Volume 2 | John Hill Burton | Early modern & Enlightenment | English | May 30, 2013 | 1.1M | 42844 |
| Life and death | A. Dastre | Essays & miscellany | English | June 25, 2021 | 617.5K | 65699 |
| Life and destiny | Felix Adler | Modern & 20th century | English | August 23, 2018 | 98.0K | 57752 |
| Life and Habit | Samuel Butler | Conduct, society & education | English | July 1, 2004 | 507.9K | 6138 |
| Life and Matter: A Criticism of Professor Haeckel's "Riddle of the Universe" | Sir Oliver Lodge | Essays & miscellany | English | August 15, 2008 | 230.3K | 26321 |
| Life Everlasting | John Fiske | Essays & miscellany | English | December 5, 2010 | 82.5K | 34569 |
| Life of Christ | Giovanni Papini | Religion & theology | English | February 24, 2022 | 911.9K | 67486 |
| Life of Emanuel Swedenborg | William White | Modern & 20th century | English | April 12, 2022 | 463.2K | 67821 |
| Life: Its True Genesis | Horatius Flaccus | Essays & miscellany | English | November 1, 2005 | 501.3K | 9307 |
| Life's Basis and Life's Ideal: The Fundamentals of a New Philosophy of Life | Rudolf Eucken | Modern & 20th century | English | September 14, 2013 | 824.6K | 43719 |
| Life's Enthusiasms | — | Essays & miscellany | English | — | 33.8K | 11939 |
| Light and Peace | Carlo Giuseppe Quadrupani | Essays & miscellany | English | December 20, 2011 | 228.9K | 38355 |
| Light from the spirit world | C. Hammond | Religion & theology | English | December 4, 2022 | 426.2K | 69464 |
| Light on the Path and Through the Gates of Gold | — | Essays & miscellany | English | — | 207.3K | 14599 |
| Lihan evankeliumi: Moraalin arvostelua | M. Hahl | Essays & miscellany | Finnish | September 7, 2016 | 173.5K | 52999 |
| Lincoln, the American | Frank O. Lowden | Essays & miscellany | English | February 13, 2022 | 31.9K | 67395 |
| Literary and Philosophical Essays: French, German and Italian | Michel de Montaigne | Early modern & Enlightenment | English | May 1, 2004 | 891.7K | 5637 |
| Littérature et Philosophie mêlées | Victor Hugo | Essays & miscellany | French | January 1, 2006 | 559.9K | 9644 |
| Little Journeys To The Homes Of Great Teachers | Elbert Hubbard | Conduct, society & education | English | July 29, 2006 | 458.7K | 18936 |
| Little Journeys to the Homes of the Great Philosophers, Volume 8 | Elbert Hubbard | Conduct, society & education | English | November 27, 2007 | 537.7K | 23640 |
| Lives of alchemystical philosophers | Arthur Edward Waite | Essays & miscellany | English | August 5, 2022 | 607.2K | 68687 |
| Lives of the Necromancers | William Godwin | Modern & 20th century | English | December 1, 2004 | 656.7K | 7082 |
| Living for the Best | James G. K. McClure | Modern & 20th century | English | May 17, 2011 | 184.2K | 36162 |
| Ljocht en Skaed: In mennich biskôgings | Douwe Kalma | Essays & miscellany | Frisian | July 31, 2014 | 126.2K | 46459 |
| Locke | Thomas Fowler | Early modern & Enlightenment | English | June 29, 2014 | 380.2K | 46130 |
| Logic | Carveth Read | Essays & miscellany | English | May 23, 2006 | 808.5K | 18440 |
| Logic as the Science of the Pure Concept | Benedetto Croce | Modern & 20th century | English | February 8, 2017 | 827.5K | 54137 |
| Logic, Inductive and Deductive | William Minto | Modern & 20th century | English | March 27, 2010 | 607.7K | 31796 |
| Logica (Spanish) | — | Essays & miscellany | English | — | 691.2K | 12840 |
| Lois psychologiques de l'évolution des peuples | Gustave Le Bon | Modern & 20th century | French | March 20, 2017 | 327.0K | 54397 |
| Los Cent Conçeyls del Conçeyl de Cent | Pompeyo Gener | Essays & miscellany | Catalan | November 8, 2010 | 52.8K | 34249 |
| Los Sueños, Volume I | Francisco de Quevedo | Essays & miscellany | Spanish | August 5, 2021 | 451.0K | 65999 |
| Love and Marriage | Ellen Key | Conduct, society & education | English | July 28, 2018 | 596.4K | 57592 |
| Love—Marriage—Birth Control | Viscount Bertrand Edward Dawson Dawson | Modern & 20th century | English | October 7, 2008 | 49.6K | 26837 |
| Love, Life & Work | — | Conduct, society & education | English | — | 155.0K | 10417 |
| Lucifer: A Theosophical Magazine. Volume I. September 1887-February 1888. | Various | Religion & theology | English | December 5, 2019 | 1.6M | 60852 |
| Lucifero | Mario Rapisardi | Essays & miscellany | Italian | September 16, 2007 | 419.2K | 22641 |
| Luck, or Cunning, as the Main Means of Organic Modification | Samuel Butler | Essays & miscellany | English | January 1, 2004 | 510.0K | 4967 |
| Ludicrous Aspects Of Christianity | Austin Holyoake | Religion & theology | English | July 20, 2011 | 77.9K | 36800 |
| Ludvig Holberg, The Founder of Norwegian Literature and an Oxford Student | S. C. Hammer | Conduct, society & education | English | August 23, 2011 | 85.8K | 37177 |
| Lumen | Camille Flammarion | Essays & miscellany | English | September 28, 2013 | 298.7K | 43835 |
| Luonto ja ihminen: Poimintoja eri teoksista | John Ruskin | Essays & miscellany | Finnish | September 9, 2018 | 363.2K | 57873 |
| Lures of Life | — | Essays & miscellany | English | July 25, 2013 | 235.5K | 43303 |
| Luthers Glaube: Briefe an einen Freund | Ricarda Huch | Essays & miscellany | German | April 12, 2012 | 496.9K | 39430 |
| Lynch-law; an investigation into the history of lynching in the United States | James Elbert Cutler | Modern & 20th century | English | February 7, 2022 | 568.5K | 67353 |
| Lysis | Plato | Ancient & classical | English | December, 1998 | 85.7K | 1579 |
| Lysistrata | Anthony M. Ludovici | Essays & miscellany | English | January 7, 2023 | 163.8K | 69734 |
| M. Fabi Quintiliani institutionis oratoriae liber decimus | Quintilian | Essays & miscellany | Latin | June 14, 2007 | 1.2M | 21827 |
| M. Renan, l'Allemagne et l'athéisme au XIXe siècle | Ernest Hello | 19th century | French | November 30, 2024 | 243.4K | 74819 |
| Ma confession | graf Leo Tolstoy | Essays & miscellany | French | July 29, 2014 | 187.2K | 46447 |
| Maahengen uskossa | Eero Eerola | Essays & miscellany | Finnish | May 15, 2022 | 101.6K | 68087 |
| Mabini's Decalogue for Filipinos | — | Essays & miscellany | English | — | 7.2K | 14660 |
| Macchiavellis Buch vom Fürsten | Niccolò Machiavelli | Essays & miscellany | German | May 27, 2012 | 364.0K | 39816 |
| Machiavelli, Volume I | Niccol� Machiavelli | Essays & miscellany | English | May 6, 2005 | 761.1K | 15772 |
| Magic and Religion | Andrew Lang | Religion & theology | English | August 2, 2014 | 608.3K | 46480 |
| Mahatma Gandhi: The Man Who Became One With the Universal Being | Romain Rolland | Essays & miscellany | English | March 7, 2020 | 239.6K | 61575 |
| Major Prophets of To-Day | Edwin E. Slosson | Essays & miscellany | English | February 6, 2015 | 430.3K | 48180 |
| Making Life Worth While | Douglas Fairbanks | Essays & miscellany | English | March 23, 2015 | 100.8K | 48565 |
| Making the Most of Life | J. R. Miller | Essays & miscellany | English | September 6, 2006 | 297.5K | 19193 |
| Malthus and his work | James Bonar | Modern & 20th century | English | May 16, 2022 | 745.3K | 68099 |
| Man a Machine | Julien Offray de La Mettrie | Essays & miscellany | English | May 16, 2016 | 354.0K | 52090 |
| Man and Superman: A Comedy and a Philosophy | Bernard Shaw | Essays & miscellany | English | March 22, 2006 | 402.5K | 3328 |
| Man Made | Albert Teichner | Essays & miscellany | English | March 30, 2008 | 40.0K | 24955 |
| Man or Matter | Ernst Lehrs | Essays & miscellany | English | May 1, 2004 | 839.9K | 5641 |
| Man's Redemption of Man: A Lay Sermon | Sir William Osler | Modern & 20th century | English | July 31, 2011 | 45.6K | 36926 |
| Manhood of Humanity. | Alfred Korzybski | Essays & miscellany | English | May 13, 2008 | 431.3K | 25457 |
| Manifesto of the Communist Party | Karl Marx | 19th century | English | February 5, 2010 | 111.7K | 31193 |
| Mankind in the Making | H. G. Wells | Essays & miscellany | English | December 1, 2004 | 628.1K | 7058 |
| Many Gods | Cale Young Rice | Essays & miscellany | English | October 10, 2009 | 70.4K | 30225 |
| Marc. Aurel. Antoninus elmélkedései | Emperor of Rome Marcus Aurelius | Ancient & classical | Hungarian | May 20, 2025 | 257.1K | 76130 |
| Mardi, and a voyage thither, Vol. 2 (of 2) | — | Essays & miscellany | English | — | 607.1K | 13721 |
| Margaret and Her Friends | Caroline Wells Healey Dall | Essays & miscellany | English | July 25, 2020 | 139.8K | 62756 |
| Marriage in Free Society | Edward Carpenter | Conduct, society & education | English | July 11, 2012 | 79.8K | 40209 |
| Marriage, As It Was, As It Is, and As It Should Be: A Plea for Reform | Annie Besant | Conduct, society & education | English | September 29, 2014 | 160.2K | 47000 |
| Martin Luther's Large Catechism, translated by Bente and Dau | — | Essays & miscellany | English | — | 274.1K | 1722 |
| Marxism and Darwinism | Anton Pannekoek | 19th century | English | November 11, 2023 | 119.9K | 72095 |
| Masonic Monitor of the Degrees of Entered Apprentice, Fellow Craft and Master Mason | George Thornburgh | Essays & miscellany | English | September 28, 2009 | 233.5K | 30118 |
| Mathématiques et Mathématiciens: Pensées et Curiosités | — | Essays & miscellany | French | February 3, 2013 | 824.4K | 41991 |
| Means and Ends of Education | John Lancaster Spalding | Conduct, society & education | English | November 8, 2010 | 308.7K | 34257 |
| Meditaciones del Quijote | José Ortega y Gasset | Modern & 20th century | Spanish | July 5, 2018 | 223.2K | 57448 |
| Meditationes de prima philosophia | René Descartes | Early modern & Enlightenment | Latin | November 3, 2007 | 158.2K | 23306 |
| Meditations | Emperor of Rome Marcus Aurelius | Ancient & classical | English | June 1, 2001 | 415.3K | 2680 |
| Meditations on the Actual State of Christianity, and on the Attacks Which Are Now Being Made Upon It. | François Guizot | Religion & theology | English | October 31, 2019 | 410.1K | 60602 |
| Meditations on the Essence of Christianity, and on the Religious Questions of the Day. | François Guizot | Religion & theology | English | October 13, 2019 | 362.9K | 60488 |
| Mehiläisten elämä (Finnish) | — | Essays & miscellany | English | — | 383.9K | 13134 |
| Mein Leben und Streben | Karl May | Essays & miscellany | German | August 1, 2001 | 578.9K | 2779 |
| Memories and Studies | William James | Modern & 20th century | English | March 8, 2007 | 404.3K | 20768 |
| Men in the Making | Ambrose Shepherd | Essays & miscellany | English | August 31, 2007 | 254.9K | 22482 |
| Men, Women, and Gods; and Other Lectures | Helen H. Gardener | Conduct, society & education | English | October 6, 2009 | 356.4K | 30207 |
| Menexenus | Plato | Ancient & classical | English | March, 1999 | 75.9K | 1682 |
| Meno | Plato | Ancient & classical | English | February, 1999 | 141.9K | 1643 |
| Menschliches, Allzumenschliches: Ein Buch Fuer Freie Geister | Friedrich Wilhelm Nietzsche | 19th century | German | January 1, 2005 | 599.5K | 7207 |
| Mental Philosophy: Including the Intellect, Sensibilities, and Will | Joseph Haven | Essays & miscellany | English | February 28, 2014 | 1.1M | 45041 |
| Menticulture; or, the A-B-C of True Living | Horace Fletcher | Essays & miscellany | English | February 28, 2014 | 117.5K | 45040 |
| Messiah | Gore Vidal | Essays & miscellany | English | May 3, 2024 | 498.6K | 73527 |
| Metapsychical phenomena | J. Maxwell | Essays & miscellany | English | September 23, 2014 | 793.3K | 46942 |
| Metodin esitys | Ren� Descartes | Early modern & Enlightenment | Finnish | February 16, 2005 | 529.6K | 15085 |
| Micromegas | Voltaire | Early modern & Enlightenment | English | September 28, 2009 | 63.8K | 30123 |
| Micromégas | Voltaire | Early modern & Enlightenment | French | November 1, 2003 | 66.4K | 4649 |
| Miei Pensieri di varia Umanità | Giovanni Pascoli | Essays & miscellany | Italian | December 31, 2018 | 402.8K | 58579 |
| Mietteitä kasvatuksesta | Lorenz Kellner | Essays & miscellany | Finnish | July 25, 2020 | 139.6K | 62752 |
| Military Manners and Customs | James Anson Farrer | Modern & 20th century | English | January 9, 2014 | 501.3K | 44635 |
| Mind and Motion and Monism | George John Romanes | Essays & miscellany | English | August 9, 2007 | 270.8K | 22283 |
| Minerva e lo scimmione | Ettore Romagnoli | Essays & miscellany | Italian | May 29, 2010 | 334.1K | 32585 |
| Minerva oscura | Giovanni Pascoli | Essays & miscellany | Italian | April 22, 2013 | 339.3K | 42577 |
| Minor Dialogues, Together With the Dialogue on Clemency | Lucius Annaeus Seneca | Ancient & classical | English | February 16, 2021 | 841.3K | 64576 |
| Miracles and Supernatural Religion | James Morris Whiton | Modern & 20th century | English | August 23, 2008 | 129.2K | 26397 |
| Miscellaneous Studies; a series of essays | Walter Pater | Essays & miscellany | English | May 1, 2003 | 373.5K | 4059 |
| Miscellanies | Ralph Waldo Emerson | 19th century | English | September 19, 2023 | 466.5K | 71683 |
| Miscellanies | Ralph Waldo Emerson | 19th century | English | October 5, 2023 | 763.9K | 71812 |
| Mistä tulen, mihin menen? | Carl Du Prel | Essays & miscellany | Finnish | February 2, 2025 | 207.7K | 75278 |
| Mistakes of Moses | Robert Green Ingersoll | Essays & miscellany | English | November 22, 2011 | 309.8K | 38099 |
| Mitä meidän siis on tekeminen? | graf Leo Tolstoy | Essays & miscellany | Finnish | November 18, 2015 | 601.9K | 50482 |
| Mitä on taide? | graf Leo Tolstoy | Essays & miscellany | Finnish | October 3, 2025 | 386.0K | 76972 |
| Modern Atheism under its forms of Pantheism, Materialism, Secularism, Development, and Natural Laws | James Buchanan | Modern & 20th century | English | December 31, 2006 | 859.8K | 20233 |
| Modern cosmogonies | Agnes M. Clerke | Essays & miscellany | English | February 13, 2021 | 341.8K | 64537 |
| Modern French Philosophy: a Study of the Development Since Comte | John Alexander Gunn | 19th century | English | March 1, 2004 | 663.6K | 5246 |
| Modern Magic | M. Schele de Vere | Essays & miscellany | English | December 30, 2011 | 715.4K | 38448 |
| Modern Painters, Volume 2 (of 5) | John Ruskin | Essays & miscellany | English | September 4, 2009 | 583.9K | 29906 |
| Modern Painters, Volume 4 (of 5) | John Ruskin | Essays & miscellany | English | March 13, 2010 | 880.3K | 31623 |
| Modern Painters, Volume 5 (of 5) | John Ruskin | Essays & miscellany | English | December 1, 2013 | 930.1K | 44329 |
| Modern Skepticism | — | Essays & miscellany | English | June 16, 2013 | 748.4K | 42957 |
| Modern Society | Julia Ward Howe | Essays & miscellany | English | June 21, 2011 | 138.1K | 36489 |
| Modern Spiritualism | Uriah Smith | Religion & theology | English | November 7, 2008 | 262.0K | 27197 |
| Modern Woman: Her Intentions | Florence Farr | Essays & miscellany | English | April 23, 2022 | 111.0K | 67912 |
| Moderne Probleme | Eduard von Hartmann | 19th century | German | June 30, 2017 | 532.7K | 55014 |
| Monism as Connecting Religion and Science | Ernst Haeckel | Religion & theology | English | October 1, 2005 | 120.8K | 9199 |
| Monophysitism Past and Present: A Study in Christology | A. A. Luce | Religion & theology | English | December 1, 2009 | 206.6K | 30219 |
| Monsieur Teste | Paul Valéry | Essays & miscellany | French | February 22, 2025 | 118.0K | 75440 |
| Mont-Saint-Michel and Chartres | Henry Adams | Religion & theology | English | October 1, 2003 | 837.9K | 4584 |
| Montaigne and Shakspere | J. M. Robertson | Early modern & Enlightenment | English | May 20, 2008 | 230.7K | 25535 |
| Montaigne et François Bacon | Pierre Villey | Early modern & Enlightenment | French | August 24, 2007 | 233.7K | 22383 |
| Mother Earth, Vol. 1 No. 1, March 1906 | Various | Essays & miscellany | English | September 12, 2008 | 146.3K | 26600 |
| Motherhood and the Relationships of the Sexes | C. Gasquoine Hartley | Essays & miscellany | English | July 24, 2018 | 645.1K | 57575 |
| Mountain Paths | Maurice Maeterlinck | Essays & miscellany | English | December 7, 2021 | 269.5K | 66893 |
| Mr. Belloc objects to "The outline of history" | H. G. Wells | Essays & miscellany | English | December 5, 2023 | 136.6K | 72333 |
| Mr. Belloc still objects to Mr. Wells's "Outline of history" | Hilaire Belloc | Essays & miscellany | English | December 5, 2023 | 110.1K | 72334 |
| Mr. Gladstone and Genesis | Thomas Henry Huxley | Essays & miscellany | English | May 1, 2001 | 74.2K | 2631 |
| Muutamia mietteitä kasvatuksesta | John Locke | Early modern & Enlightenment | Finnish | February 29, 2020 | 689.8K | 61531 |
| My Autobiography: A Fragment | F. Max Müller | Essays & miscellany | English | October 16, 2009 | 500.7K | 30269 |
| My Path to Atheism | Annie Besant | Essays & miscellany | English | August 28, 2011 | 639.4K | 37234 |
| My Religion | graf Leo Tolstoy | Religion & theology | English | September 22, 2013 | 436.5K | 43794 |
| Mysterious Psychic Forces | Camille Flammarion | Religion & theology | English | March 27, 2012 | 999.4K | 39279 |
| Mystic Christianity; Or, The Inner Teachings of the Master | — | Religion & theology | English | — | 395.7K | 13143 |
| Mystic Immanence, the Indwelling Spirit | Basil Wilberforce | Religion & theology | English | August 7, 2011 | 100.5K | 36996 |
| Mysticism and its results | John Delafield | Religion & theology | English | August 14, 2007 | 187.3K | 22314 |
| Mysticism and Logic and Other Essays | Bertrand Russell | Modern & 20th century | English | May 12, 2008 | 441.9K | 25447 |
| Mystics of the Renaissance and their relation to modern thought, including Meister Eckhart, Tauler, Paracelsus, Jacob Boehme, Giordano Bruno, and others | Rudolf Steiner | Medieval & scholastic | English | April 30, 2025 | 251.2K | 75994 |
| Myth and Science | Tito Vignoli | Essays & miscellany | English | February 19, 2006 | 498.9K | 17802 |
| Näin puhui Zarathustra: Kirja kaikille eikä kenellekään | Friedrich Wilhelm Nietzsche | 19th century | Finnish | October 29, 2016 | 582.7K | 53397 |
| Narrative and Miscellaneous Papers — Volume 2 | Thomas De Quincey | Essays & miscellany | English | July 1, 2004 | 493.5K | 6147 |
| Nationalism | Rabindranath Tagore | Eastern & classical | English | September 15, 2012 | 172.1K | 40766 |
| Nationalismus | Rabindranath Tagore | Eastern & classical | German | October 2, 2012 | 192.1K | 40920 |
| NATURAE | Dom | Essays & miscellany | English | March 1, 2004 | 38.7K | 5331 |
| Natural History of Enthusiasm | Isaac Taylor | Essays & miscellany | English | November 17, 2017 | 476.4K | 55988 |
| Natural history of intellect, and other papers | Ralph Waldo Emerson | 19th century | English | September 4, 2023 | 363.1K | 71558 |
| Natural Law in the Spiritual World | Henry Drummond | Religion & theology | English | November 5, 2007 | 553.4K | 23334 |
| Natural Man | Arthur B. Moss | Essays & miscellany | English | September 15, 2013 | 50.4K | 43728 |
| Natural Philosophy | Wilhelm Ostwald | Essays & miscellany | English | September 22, 2013 | 317.6K | 43791 |
| Naturaleza de las cosas: Versión en prosa del poema «De rerum natura» | — | Essays & miscellany | Spanish | July 20, 2020 | 466.7K | 62711 |
| Naturalism and Religion | Rudolf Otto | Religion & theology | English | March 27, 2009 | 590.1K | 31794 |
| Naturalismus, Idealismus, Expressionismus | Max Deri | Modern & 20th century | German | February 5, 2024 | 249.8K | 72877 |
| Nature | Ralph Waldo Emerson | 19th century | English | July 17, 2009 | 106.2K | 29433 |
| Nature and Culture | Harvey Rice | Essays & miscellany | English | November 15, 2011 | 291.2K | 38022 |
| Nature and the Gods | Arthur B. Moss | Essays & miscellany | English | May 29, 2011 | 51.3K | 36271 |
| Nature Cure: Philosophy & Practice Based on the Unity of Disease & Cure | Henry Lindlahr | Essays & miscellany | English | July 1, 2003 | 669.5K | 4273 |
| Nature Mysticism | — | Religion & theology | English | — | 344.3K | 18539 |
| Never Again! A Protest and a Warning Addressed to the Peoples of Europe | Edward Carpenter | Essays & miscellany | English | December 1, 2001 | 47.2K | 2990 |
| New Thought Pastels | Ella Wheeler Wilcox | Modern & 20th century | English | June 1, 2002 | 42.6K | 3257 |
| Newer ideals of peace | Jane Addams | Essays & miscellany | English | January 25, 2023 | 364.7K | 69879 |
| Nietzsche and Art | Anthony M. Ludovici | 19th century | English | October 26, 2016 | 405.8K | 53369 |
| Nietzsche and Other Exponents of Individualism | Paul Carus | 19th century | English | March 15, 2015 | 230.3K | 48495 |
| Nietzsche, sein Leben und seine Lehre | Karl Heckel | 19th century | German | February 11, 2018 | 492.8K | 56546 |
| Nietzsche: His Life and Works | Anthony M. Ludovici | 19th century | English | October 11, 2016 | 149.6K | 53260 |
| Nietzsche's Philosophie | Henri Lichtenberger | 19th century | Dutch | October 4, 2020 | 380.9K | 63366 |
| Nights with the Gods | Emil Reich | Essays & miscellany | English | May 13, 2017 | 378.3K | 54715 |
| Nineteenth Century Questions | James Freeman Clarke | Modern & 20th century | English | January 8, 2014 | 520.1K | 44628 |
| No and Yes | Mary Baker Eddy | Essays & miscellany | English | August 30, 2005 | 86.6K | 16624 |
| No Compromise with Slavery | William Lloyd Garrison | Modern & 20th century | English | January 7, 2008 | 74.0K | 24194 |
| No Refuge but in Truth | Goldwin Smith | Essays & miscellany | English | October 17, 2006 | 55.0K | 19567 |
| No Treason, Vol. VI.: The Constitution of No Authority | Lysander Spooner | Essays & miscellany | English | May 18, 2011 | 131.9K | 36145 |
| Noites de insomnia, offerecidas a quem não póde dormir. Nº 12 (de 12) | Camilo Castelo Branco | Essays & miscellany | Portuguese | February 27, 2009 | 132.2K | 28207 |
| Not Guilty: A Defence of the Bottom Dog | Robert Blatchford | Essays & miscellany | English | August 14, 2013 | 386.0K | 43466 |
| Not Paul, but Jesus | Jeremy Bentham | Religion & theology | English | June 18, 2013 | 837.6K | 42984 |
| Note Book of an English Opium-Eater | Thomas De Quincey | Essays & miscellany | English | November 1, 2004 | 499.9K | 6881 |
| Notes de Voltaire et de Condorcet sur les pensées de Pascal | Blaise Pascal | Early modern & Enlightenment | French | August 23, 2009 | 117.4K | 29772 |
| Notes on the Apocalypse | — | Essays & miscellany | English | — | 587.2K | 14485 |
| Notes sur l'Amour | Claude Anet | Essays & miscellany | French | August 23, 2022 | 321.1K | 68821 |
| Notes sur Laclos et Les Liaisons Dangereuses | Jacques de Boisjoslin | Essays & miscellany | French | February 25, 2013 | 76.5K | 42192 |
| Notice bio-bibliographique sur La Boëtie, suivie de La Servitude volontaire | J.-F. Payen | Essays & miscellany | French | May 7, 2020 | 221.0K | 62051 |
| Nouveau Code du Duel: Histoire, Législation, Droit Contemporain | comte Charles Du Verger de Saint-Thomas | 19th century | French | December 13, 2012 | 660.1K | 41614 |
| Novum organon renovatum | William Whewell | 19th century | English | January 10, 2023 | 787.2K | 69764 |
| Novum organum | Francis Bacon | Early modern & Enlightenment | English | June 15, 2014 | 554.7K | 45988 |
| Nuggets of the New Thought: Several Things That Have Helped People | William Walker Atkinson | Modern & 20th century | English | March 11, 2014 | 263.4K | 45113 |
| O congresso de Roma | S. de Magalhães Lima | Essays & miscellany | Portuguese | May 14, 2007 | 79.4K | 21433 |
| O culto do chá | Wenceslau de Moraes | Essays & miscellany | Portuguese | October 29, 2011 | 62.6K | 37879 |
| O doido e a morte | Teixeira de Pascoais | Essays & miscellany | Portuguese | January 15, 2008 | 49.0K | 24291 |
| O Inferno | Auguste Callet | Essays & miscellany | Portuguese | April 22, 2009 | 333.0K | 28584 |
| O Marquez de Pombal á luz da Philosophia | Angelina Vidal | Essays & miscellany | Portuguese | November 14, 2008 | 55.6K | 27255 |
| O Oraculo do Passado, do presente e do Futuro (1/7) | Bento Serrano | Essays & miscellany | Portuguese | November 12, 2008 | 88.3K | 27242 |
| O Oraculo do Passado, do presente e do Futuro (7/7) | Bento Serrano | Essays & miscellany | Portuguese | March 23, 2010 | 74.8K | 31742 |
| O Primeiro de Maio | S. de Magalhães Lima | Essays & miscellany | Portuguese | May 15, 2010 | 268.8K | 32379 |
| Observations on the State of Religion and Literature in Spain | John Bowring | Religion & theology | English | April 25, 2020 | 81.0K | 61930 |
| Occasional Thoughts in Reference to a Vertuous or Christian life | — | Religion & theology | English | — | 199.7K | 13285 |
| Occult science in medicine | Franz Hartmann | 19th century | English | July 22, 2023 | 228.4K | 71252 |
| Occultism and common-sense | Beckles Willson | Religion & theology | English | July 14, 2011 | 352.1K | 36730 |
| Occultists & mystics of all ages | Ralph Shirley | Religion & theology | English | October 22, 2025 | 260.2K | 77108 |
| Ocellus Lucanus on the nature of the universe | Julius Firmicus Maternus | Essays & miscellany | English | February 16, 2025 | 173.6K | 75391 |
| Œuvres Complètes de Frédéric Bastiat, tome 5 | Frédéric Bastiat | Essays & miscellany | French | August 19, 2014 | 1.1M | 46626 |
| Œuvres complètes de Gustave Flaubert, tome 5: La tentation de saint Antoine | Gustave Flaubert | Religion & theology | French | June 22, 2018 | 318.6K | 57373 |
| Oeuvres complètes, tome 4 | Laurence Sterne | Essays & miscellany | French | April 23, 2020 | 303.7K | 61905 |
| Of Ghostes and Spirites, Walking by Night | Ludwig Lavater | Religion & theology | English | January 25, 2016 | 470.4K | 51038 |
| Of holy disobedience | A. J. Muste | Religion & theology | English | January 22, 2024 | 81.1K | 72786 |
| Of Natural and Supernatural Things | Basilius Valentinus | Religion & theology | English | August 17, 2008 | 187.7K | 26340 |
| Of the importance of religious opinions | Jacques Necker | Essays & miscellany | English | August 31, 2025 | 486.2K | 76773 |
| Of the Injustice of Counterfeiting Books | Immanuel Kant | Early modern & Enlightenment | English | June 21, 2014 | 40.7K | 46060 |
| Of Vulgarity | — | Essays & miscellany | English | June 7, 2014 | 62.5K | 45913 |
| Of Walks and Walking Tours: An Attempt to find a Philosophy and a Creed | Arnold Haultain | Religion & theology | English | June 19, 2014 | 201.1K | 46030 |
| Ojennusnuora | Epictetus | Ancient & classical | Finnish | August 29, 2005 | 86.9K | 16620 |
| Old Groans and New Songs | Frederick Charles Jennings | Essays & miscellany | English | September 13, 2009 | 270.8K | 29971 |
| Oliveira Martins | Antero de Quental | Essays & miscellany | Portuguese | March 15, 2010 | 93.1K | 31654 |
| Olvasás közben: Jegyzetek és megjegyzések | Ignotus | Essays & miscellany | Hungarian | November 3, 2020 | 400.5K | 63611 |
| Om Tanke- och Yttrandefrihet | John Stuart Mill | 19th century | Swedish | August 8, 2016 | 137.3K | 52758 |
| Om viljans frihet | Frans von Sch�ele | Essays & miscellany | Swedish | March 19, 2006 | 46.5K | 18017 |
| On art and artists | Max Simon Nordau | Essays & miscellany | English | August 28, 2025 | 514.7K | 76748 |
| On Being Human | Woodrow Wilson | Essays & miscellany | English | February 1, 2004 | 57.3K | 5068 |
| On Compromise | — | Essays & miscellany | English | — | 337.8K | 11557 |
| On criminal abortion in America | Horatio Robinson Storer | Essays & miscellany | English | May 3, 2021 | 306.6K | 65244 |
| On Heroes, Hero-Worship, and the Heroic in History | — | Essays & miscellany | English | — | 497.8K | 1091 |
| On Liberty | John Stuart Mill | 19th century | English | January 10, 2011 | 323.3K | 34901 |
| On Love | Stendhal | Essays & miscellany | English | December 12, 2016 | 658.1K | 53720 |
| On poetic interpretation of nature | John Campbell Shairp | Essays & miscellany | English | May 13, 2022 | 403.3K | 68066 |
| On Sameness and Identity: A Psychological Study | George Stuart Fullerton | Modern & 20th century | English | October 1, 2018 | 311.0K | 57998 |
| On the Advisableness of Improving Natural Knowledge | Thomas Henry Huxley | Essays & miscellany | English | November 1, 2001 | 52.2K | 2934 |
| On the Eve of Redemption | S. M. Melamed | Essays & miscellany | English | November 8, 2020 | 187.0K | 63689 |
| On the Fourfold Root of the Principle of Sufficient Reason, and On the Will in Nature: Two Essays (revised edition) | Arthur Schopenhauer | 19th century | English | January 19, 2016 | 873.6K | 50966 |
| On the Future of our Educational Institutions | Friedrich Wilhelm Nietzsche | 19th century | English | February 20, 2009 | 233.0K | 28146 |
| On the Future of our Educational Institutions; Homer and Classical Philology | Friedrich Wilhelm Nietzsche | 19th century | English | March 28, 2016 | 275.7K | 51580 |
| On the Genesis of Species | St. George Jackson Mivart | Essays & miscellany | English | March 14, 2007 | 570.5K | 20818 |
| On the Improvement of the Understanding | — | Essays & miscellany | English | — | 94.0K | 1016 |
| On the Method of Zadig | Thomas Henry Huxley | Essays & miscellany | English | May 1, 2001 | 52.8K | 2627 |
| On the Nature of Things | Titus Lucretius Carus | Ancient & classical | English | January 1, 1997 | 484.9K | 785 |
| On the nature of thought | John Haslam | Essays & miscellany | English | January 31, 2010 | 84.1K | 31142 |
| On the Philosophy of Discovery, Chapters Historical and Critical | William Whewell | 19th century | English | March 25, 2016 | 1.1M | 51555 |
| On the Prospects of Christianity | Bernard Shaw | Religion & theology | English | May 1, 2003 | 231.2K | 4004 |
| On the Reception of the 'Origin of Species' | Thomas Henry Huxley | Essays & miscellany | English | February 1, 2000 | 73.4K | 2089 |
| On the Significance of Science and Art | graf Leo Tolstoy | Essays & miscellany | English | January 1, 2003 | 154.5K | 3631 |
| On the Sublime | Longinus | Essays & miscellany | English | March 10, 2006 | 201.4K | 17957 |
| On the theory of the infinite in modern thought | Eleanor F. Jourdain | Essays & miscellany | English | November 12, 2024 | 81.3K | 74732 |
| On War | Carl von Clausewitz | Essays & miscellany | English | February 25, 2006 | 1.7M | 1946 |
| Onanism display'd | — | Essays & miscellany | English | November 7, 2022 | 109.6K | 69311 |
| One Common Faith | Baha’i International Community | Religion & theology | English | September 2006 | 120.5K | 19281 |
| Ontology, or the Theory of Being | P. Coffey | Essays & miscellany | English | March 30, 2011 | 1.3M | 35722 |
| Oorlogsfilosofie | Leo Polak | Essays & miscellany | Dutch | January 26, 2015 | 223.9K | 48088 |
| Open That Door! | — | Essays & miscellany | English | June 13, 2014 | 171.2K | 45959 |
| Optimism: An Essay | Helen Keller | Essays & miscellany | English | March 13, 2010 | 69.0K | 31622 |
| Opúsculos por Alexandre Herculano - Tomo 08 | Alexandre Herculano | Essays & miscellany | Portuguese | June 5, 2007 | 380.2K | 21684 |
| Op�sculos por Alexandre Herculano - Tomo IV | Alexandre Herculano | Essays & miscellany | Portuguese | November 28, 2005 | 354.5K | 17177 |
| Oration: The American Mind | Charles W. Lyons | Essays & miscellany | English | July 30, 2020 | 41.9K | 62784 |
| Orpheus; or, The music of the future | W. J. Turner | Essays & miscellany | English | January 22, 2023 | 91.7K | 69856 |
| Orthodoxy | — | Essays & miscellany | English | — | 354.0K | 130 |
| Orthodoxy | G. K. Chesterton | Essays & miscellany | English | September 28, 2005 | 369.9K | 16769 |
| Orthodoxy: Its Truths And Errors | James Freeman Clarke | Modern & 20th century | English | June 6, 2009 | 1.1M | 29054 |
| Où va le monde? | Walther Rathenau | Essays & miscellany | French | May 11, 2007 | 695.4K | 21413 |
| Our Benevolent Feudalism | William J. Ghent | Modern & 20th century | English | September 15, 2016 | 334.0K | 53052 |
| Our Eternity | Maurice Maeterlinck | Essays & miscellany | English | November 6, 2015 | 219.5K | 50399 |
| Our Friend the Dog | Maurice Maeterlinck | Essays & miscellany | English | April 20, 2006 | 48.1K | 18214 |
| Our Knowledge of the External World as a Field for Scientific Method in Philosophy | Bertrand Russell | Modern & 20th century | English | August 15, 2011 | 437.3K | 37090 |
| Our Unitarian Gospel | Minot Savage | Religion & theology | English | June 13, 2006 | 501.6K | 18578 |
| Ouroboros; or, the mechanical extension of mankind | Garet Garrett | Essays & miscellany | English | February 19, 2025 | 130.3K | 75418 |
| Out from the heart | James Allen | Modern & 20th century | English | August 2, 2024 | 64.8K | 74178 |
| Outlines of a Philosophy of Religion based on Psychology and History | Auguste Sabatier | Modern & 20th century | English | December 30, 2011 | 447.5K | 38446 |
| Outlines of Educational Doctrine | Johann Friedrich Herbart | Conduct, society & education | English | February 14, 2014 | 519.2K | 44905 |
| Outlines of Mahayana Buddhism | Daisetz Teitaro Suzuki | Eastern & classical | English | February 3, 2025 | 644.0K | 75283 |
| Outlines of Mormon Philosophy | Lycurgus A. Wilson | Essays & miscellany | English | July 4, 2015 | 91.3K | 49357 |
| Outspoken Essays | William Ralph Inge | Modern & 20th century | English | March 4, 2005 | 623.8K | 15249 |
| Over literatuur | M.H. Van Campen | Essays & miscellany | Dutch | November 20, 2005 | 759.7K | 17077 |
| Pagan & Christian Creeds | Edward Carpenter | Religion & theology | English | December, 1998 | 588.7K | 1561 |
| Pagan Ideas of Immortality During the Early Roman Empire | Clifford Herschel Moore | Modern & 20th century | English | December 29, 2016 | 79.0K | 53829 |
| Paita | Anatole France | Essays & miscellany | Finnish | March 19, 2024 | 160.7K | 73202 |
| Pantheism, Its Story and Significance | — | Essays & miscellany | English | — | 105.4K | 11015 |
| Panukala sa Pagkakana nang Rep�blika nang Pilipinas | Apolinario Mabini | Essays & miscellany | Tagalog | February 8, 2005 | 107.2K | 14982 |
| Paradise (to be) Regained | Henry David Thoreau | Essays & miscellany | English | October 14, 2020 | 75.4K | 63459 |
| Paradoxes and Problemes | John Donne | Essays & miscellany | English | April 8, 2020 | 104.1K | 61783 |
| Paradoxes of Catholicism | Robert Hugh Benson | Religion & theology | English | July 16, 2005 | 211.8K | 16309 |
| Parenthood and Race Culture: An Outline of Eugenics | C. W. Saleeby | Essays & miscellany | English | June 11, 2013 | 688.3K | 42913 |
| Parents and children | Charlotte M. Mason | Essays & miscellany | English | December 17, 2023 | 722.6K | 72445 |
| Paris Talks | ‘Abdu’l-Bahá | Essays & miscellany | English | September 2006 | 262.1K | 19284 |
| Parmenides | — | Ancient & classical | English | — | 197.4K | 1687 |
| Parsifal | H. R. Haweis | Essays & miscellany | English | January 4, 2007 | 66.5K | 20264 |
| Pascal | John Tulloch | Early modern & Enlightenment | English | September 29, 2008 | 390.7K | 26726 |
| Pascal gondolatai | Blaise Pascal | Early modern & Enlightenment | Hungarian | May 26, 2025 | 289.2K | 76165 |
| Pascal's Pensées | Blaise Pascal | Early modern & Enlightenment | English | April 27, 2006 | 647.6K | 18269 |
| Past and Present | — | Essays & miscellany | English | — | 646.1K | 13534 |
| Past and Present | Thomas Carlyle | 19th century | English | July 31, 2008 | 662.1K | 26159 |
| Pax mundi | K. P. Arnoldson | Essays & miscellany | English | July 17, 2016 | 226.7K | 52587 |
| Paz e Arbitragem | S. de Magalhães Lima | Essays & miscellany | Portuguese | May 21, 2009 | 94.1K | 28914 |
| Peace with Mexico | Albert Gallatin | Essays & miscellany | English | April 30, 2010 | 95.1K | 32192 |
| Pedagogics as a System | Karl Rosenkranz | Essays & miscellany | English | December 13, 2009 | 513.9K | 30661 |
| Pensieri, Discorsi, Illustrazioni | Francesco Domenico Guerrazzi | Essays & miscellany | Italian | January 6, 2015 | 281.3K | 47889 |
| Per Amica Silentia Lunae | W. B. Yeats | Essays & miscellany | English | August 3, 2010 | 94.3K | 33338 |
| Percy Bysshe Shelley as a Philosopher and Reformer | Charles Sotheran | Essays & miscellany | English | October 14, 2005 | 145.8K | 16872 |
| Perpetual Peace: A Philosophical Essay | Immanuel Kant | Early modern & Enlightenment | English | January 14, 2016 | 341.6K | 50922 |
| Persialaisia kirjeitä | baron de Charles de Secondat Montesquieu | Essays & miscellany | Finnish | December 16, 2016 | 667.9K | 53745 |
| Personal rights | Mona Caird | Essays & miscellany | English | April 16, 2025 | 39.1K | 75874 |
| Personality in Literature | R. A. Scott-James | Modern & 20th century | English | August 13, 2007 | 385.0K | 22303 |
| Persönlichkeit | Rabindranath Tagore | Eastern & classical | German | March 17, 2014 | 252.6K | 45163 |
| Peter Abélard | Joseph McCabe | Essays & miscellany | English | April 25, 2016 | 453.6K | 51862 |
| Petrarch's Secret; or, the Soul's Conflict with Passion | Francesco Petrarca | Religion & theology | English | July 16, 2015 | 295.8K | 49450 |
| Phaedo | Plato | Ancient & classical | English | March, 1999 | 251.0K | 1658 |
| Phaedrus | Plato | Ancient & classical | English | February 1999 | 229.7K | 1636 |
| Phaethon | Charles Kingsley | Essays & miscellany | English | February 10, 2004 | 118.9K | 11025 |
| Phaidros | Plato | Ancient & classical | Finnish | May 4, 2019 | 205.7K | 59435 |
| Phänomenologie des Geistes | Georg Wilhelm Friedrich Hegel | 19th century | German | October 1, 2004 | 1.2M | 6698 |
| Philebus | Plato | Ancient & classical | English | May, 1999 | 280.0K | 1744 |
| Philistine and genius | Boris Sidis | Essays & miscellany | English | May 28, 2024 | 132.3K | 73718 |
| Philo-Judæus of Alexandria | — | Essays & miscellany | English | — | 403.1K | 14657 |
| Philoctète | André Gide | Essays & miscellany | French | July 19, 2023 | 148.7K | 71227 |
| Philosophes et Écrivains Religieux | J. Barbey d'Aurevilly | Essays & miscellany | French | September 6, 2012 | 595.4K | 40694 |
| Philosophiae Naturalis Principia Mathematica | Isaac Newton | Essays & miscellany | Latin | March 1, 2009 | 831.8K | 28233 |
| Philosophic Nights in Paris | Remy de Gourmont | Essays & miscellany | English | September 3, 2014 | 155.4K | 46759 |
| Philosophical Letters of Friedrich Schiller | Friedrich Schiller | Conduct, society & education | English | December 8, 2004 | 149.3K | 6799 |
| Philosophical Letters: or, modest Reflections upon some Opinions in Natural Philosophy | Duchess of Margaret Cavendish Newcastle | Conduct, society & education | English | December 6, 2016 | 869.3K | 53679 |
| Philosophical Studies | G. E. Moore | Modern & 20th century | English | October 6, 2015 | 649.4K | 50141 |
| Philosophical Works, v. 1 (of 4) | David Hume | Early modern & Enlightenment | English | December 22, 2016 | 783.1K | 53791 |
| Philosophical Works, v. 2 (of 4) | David Hume | Early modern & Enlightenment | English | December 22, 2016 | 958.8K | 53792 |
| Philosophie de la Liberté (Tome I) | Charles Secrétan | Essays & miscellany | French | January 25, 2010 | 653.8K | 31070 |
| Philosophies | Sir Ronald Ross | Essays & miscellany | English | June 8, 2017 | 121.0K | 54870 |
| Philosophumena; or, The refutation of all heresies, Volume I | Antipope Hippolytus | Essays & miscellany | English | May 31, 2021 | 506.3K | 65478 |
| Philosophumena; or, The refutation of all heresies, Volume II | Antipope Hippolytus | Essays & miscellany | English | January 7, 2022 | 515.5K | 67116 |
| Philosophy | Bertrand Russell | Modern & 20th century | English | February 18, 2024 | 647.7K | 72981 |
| Philosophy and Religion | Hastings Rashdall | Religion & theology | English | July 4, 2007 | 305.2K | 21995 |
| Philosophy and the Social Problem | Will Durant | Essays & miscellany | English | June 5, 2013 | 406.1K | 42880 |
| Philosophy of Osteopathy | A. T. Still | Essays & miscellany | English | June 22, 2008 | 358.3K | 25864 |
| Philosophy of the Plan of Salvation: A Book for the Times | James B. Walker | Modern & 20th century | English | January 11, 2014 | 341.3K | 44644 |
| Phrenology Examined | P. Flourens | Essays & miscellany | English | April 9, 2021 | 150.7K | 65041 |
| Physico-theology | W. Derham | Religion & theology | English | January 30, 2025 | 1018.2K | 75254 |
| Physics and Politics, or, Thoughts on the application of the principles of "natural selection" and "inheritance" to political society | Walter Bagehot | Conduct, society & education | English | August 1, 2003 | 340.0K | 4350 |
| Physiologie du goût | Brillat-Savarin | Essays & miscellany | French | September 23, 2007 | 724.8K | 22741 |
| Physique de l'Amour: Essai sur l'instinct sexuel | Remy de Gourmont | Essays & miscellany | French | July 29, 2014 | 377.5K | 46444 |
| Pidot (Symposion) | Plato | Ancient & classical | Finnish | October 16, 2016 | 176.3K | 53293 |
| Pirke Avot: The Sayings of the Jewish Fathers | — | Religion & theology | English | July 1, 2005 | 184.5K | 8547 |
| Pirke Avot: The Sayings of the Jewish Fathers | — | Religion & theology | English | July 1, 2005 | 71.3K | 8548 |
| Piru | Juho Kujala | Essays & miscellany | Finnish | May 30, 2006 | 140.4K | 18474 |
| Plato and Platonism | Walter Pater | Ancient & classical | English | May 1, 2003 | 467.3K | 4095 |
| Plato and the Other Companions of Sokrates, 3rd ed. Volume 1 | George Grote | Ancient & classical | English | August 7, 2012 | 1.4M | 40435 |
| Plato and the Other Companions of Sokrates, 3rd ed. Volume 2 | George Grote | Ancient & classical | English | August 7, 2012 | 1.2M | 40436 |
| Plato and the Other Companions of Sokrates, 3rd ed. Volume 3 | George Grote | Ancient & classical | English | August 7, 2012 | 1.3M | 40437 |
| Plato and the Other Companions of Sokrates, 3rd ed. Volume 4 | George Grote | Ancient & classical | English | August 7, 2012 | 1.5M | 40438 |
| Plato's American Republic | Douglas Woodruff | Ancient & classical | English | July 30, 2025 | 163.6K | 76595 |
| Plato's Doctrine Respecting the Rotation of the Earth and Aristotle's Comment Upon That Doctrine | George Grote | Ancient & classical | English | August 7, 2012 | 99.4K | 40439 |
| Plato's Republic | Plato | Ancient & classical | English | May 22, 2008 | 699.1K | 150 |
| Platonis Apologia Socratis | Plato | Ancient & classical | Latin | February 6, 2016 | 90.3K | 51139 |
| Platons Gastmahl | Plato | Ancient & classical | German | March 23, 2008 | 148.5K | 24899 |
| Platoons Phaidoon | Plato | Ancient & classical | Dutch | August 26, 2023 | 198.6K | 71489 |
| Plays, Acting and Music- A Book Of Theory | — | Essays & miscellany | English | — | 309.4K | 13928 |
| Plotinos: Complete Works, v. 1 | Plotinus | Ancient & classical | English | June 13, 2013 | 508.9K | 42930 |
| Plotinos: Complete Works, v. 2 | Plotinus | Ancient & classical | English | June 13, 2013 | 649.5K | 42931 |
| Plotinos: Complete Works, v. 3 | Plotinus | Ancient & classical | English | June 13, 2013 | 677.6K | 42932 |
| Plotinos: Complete Works, v. 4 | Plotinus | Ancient & classical | English | June 13, 2013 | 845.5K | 42933 |
| Ploughshare and Pruning-Hook: Ten Lectures on Social Subjects | Laurence Housman | Essays & miscellany | English | August 21, 2021 | 373.5K | 66101 |
| Plutarch on the Delay of the Divine Justice | Plutarch | Ancient & classical | English | December 30, 2018 | 182.9K | 58567 |
| Plutarch's Romane Questions | Plutarch | Ancient & classical | English | July 15, 2018 | 333.4K | 57513 |
| Poetics | Aristotle | Ancient & classical | English | November, 1999 | 105.8K | 1974 |
| Pogonologia; Or, A Philosophical and Historical Essay on Beards | J.-A. Dulaure | Essays & miscellany | English | March 4, 2019 | 199.3K | 59006 |
| Political Ideals | Bertrand Russell | Modern & 20th century | English | December 1, 2003 | 149.1K | 4776 |
| Political thought in England from Locke to Bentham | — | Early modern & Enlightenment | English | — | 348.4K | 14735 |
| Politics: A Treatise on Government | Aristotle | Ancient & classical | English | October 1, 2004 | 590.2K | 6762 |
| PoPHILO: Popular Philosophy | Dom | Essays & miscellany | English | March 1, 2004 | 56.5K | 5329 |
| Popular scientific lectures | Ernst Mach | Essays & miscellany | English | April 22, 2012 | 680.7K | 39508 |
| Portraits and Speculations | Arthur Ransome | Essays & miscellany | English | August 4, 2021 | 247.6K | 65992 |
| Portugal perante a revolução de Hespanha | Antero de Quental | Essays & miscellany | Portuguese | June 18, 2010 | 80.2K | 32873 |
| Post-Prandial Philosophy | Grant Allen | Essays & miscellany | English | July 8, 2006 | 245.0K | 18788 |
| Post-scriptum de ma vie | Victor Hugo | Essays & miscellany | French | November 14, 2020 | 346.4K | 63768 |
| Power Through Repose | Annie Payson Call | Essays & miscellany | English | August 1, 2003 | 245.1K | 4337 |
| Practical Agitation | John Jay Chapman | Essays & miscellany | English | October 25, 2021 | 207.3K | 66610 |
| Practical Essays | Alexander Bain | Essays & miscellany | English | January 23, 2006 | 531.9K | 17522 |
| Practical Mysticism: A Little Book for Normal People | Evelyn Underhill | Religion & theology | English | June 8, 2007 | 212.0K | 21774 |
| Pragmatism | — | Modern & 20th century | English | — | 97.9K | 10970 |
| Pragmatism and idealism | William Caldwell | Modern & 20th century | English | November 8, 2023 | 527.6K | 72074 |
| Pragmatism: A New Name for Some Old Ways of Thinking | William James | Modern & 20th century | English | February 1, 2004 | 322.6K | 5116 |
| Preface to Major Barbara: First Aid to Critics | Bernard Shaw | Essays & miscellany | English | February 1, 2003 | 104.7K | 3789 |
| Preliminary Discourse on the Study of Natural Philosophy | John F. W. Herschel | Essays & miscellany | English | June 12, 2017 | 618.9K | 54897 |
| Present status and prospects of the Peace Movement | Bertha von Suttner | Essays & miscellany | English | November 29, 2022 | 45.8K | 69444 |
| Primitive culture, vol. 1 (of 2) | Edward B. Tylor | Essays & miscellany | English | April 3, 2023 | 1.1M | 70458 |
| Principes de la Philosophie de l'Histoire | Giambattista Vico | Early modern & Enlightenment | French | July 26, 2013 | 717.0K | 43307 |
| Principios e questões de philosophia politica (Vol. 1 of 2) | António Cândido | Essays & miscellany | Portuguese | June 23, 2023 | 333.4K | 71031 |
| Principios e questões de philosophia politica (Vol. 2 of 2) | António Cândido | Essays & miscellany | Portuguese | November 5, 2012 | 101.8K | 41293 |
| Principles of Freedom | — | Essays & miscellany | English | — | 265.3K | 13132 |
| Principles of literary criticism | I. A. Richards | Essays & miscellany | English | June 14, 2024 | 525.1K | 73827 |
| Probabilities | Martin Farquhar Tupper | Essays & miscellany | English | October 13, 2005 | 195.0K | 16857 |
| Problems of Immanence: studies critical and constructive | Joseph Warschauer | Essays & miscellany | English | May 16, 2007 | 352.8K | 21496 |
| Progress and History | — | Essays & miscellany | English | January 31, 2009 | 594.8K | 27948 |
| Prolegomena to the Study of Hegel's Philosophy, and Especially of His Logic | William Wallace | 19th century | English | June 27, 2017 | 871.2K | 54992 |
| Prometheus Illbound | André Gide | Essays & miscellany | English | December 13, 2019 | 95.2K | 60914 |
| Promoting good citizenship | Viscount James Bryce Bryce | Modern & 20th century | English | July 11, 2022 | 100.2K | 68493 |
| Prophets of Dissent : Essays on Maeterlinck, Strindberg, Nietzsche and Tolstoy | Otto Heller | 19th century | English | May 15, 2011 | 278.7K | 36111 |
| Propos sur le christianisme | Alain | Religion & theology | French | November 16, 2023 | 211.5K | 72145 |
| Proposed Roads to Freedom | Bertrand Russell | Modern & 20th century | English | October 1, 1996 | 341.8K | 690 |
| Protagoras | Plato | Ancient & classical | English | January, 1999 | 172.0K | 1591 |
| Protestantism and Catholicity compared in their effects on the civilization of Europe | Jaime Luciano Balmes | Ancient & classical | English | November 12, 2015 | 2.1M | 50436 |
| Proteus | Vernon Lee | Essays & miscellany | English | September 14, 2024 | 80.3K | 74416 |
| Psyche: The Cult of Souls and Belief in Immortality among the Greeks | Erwin Rohde | Ancient & classical | English | October 17, 2021 | 1.9M | 66555 |
| Psyche's task | James George Frazer | Modern & 20th century | English | October 30, 2023 | 484.8K | 71985 |
| Psychic phenomena | Edward T. Bennett | Religion & theology | English | February 27, 2010 | 211.9K | 31417 |
| Psychical Miscellanea | J. Arthur Hill | Religion & theology | English | September 29, 2011 | 220.2K | 37565 |
| Psychoanalysis and Love | André Tridon | Modern & 20th century | English | January 6, 2020 | 411.0K | 61124 |
| Psychoanalysis and the unconscious | D. H. Lawrence | Modern & 20th century | English | October 24, 2022 | 113.9K | 69219 |
| Psychologie und Logik: zur Einführung in die Philosophie | Theodor Elsenhans | Modern & 20th century | German | December 16, 2013 | 251.8K | 44442 |
| Psychology of the Unconscious | C. G. Jung | Modern & 20th century | English | July 23, 2021 | 1.1M | 65903 |
| Psychomancy: Spirit-Rappings and Table-Tippings Exposed | Charles Grafton Page | Religion & theology | English | April 11, 2020 | 128.0K | 61807 |
| Ptolemy's Tetrabiblos | Ptolemy | Essays & miscellany | English | May 24, 2023 | 539.7K | 70850 |
| Puhe kunniaseppeleestä | Demosthenes | Essays & miscellany | Finnish | June 4, 2017 | 289.7K | 54844 |
| Puhtauden ihanne | Arvid Järnefelt | Essays & miscellany | Finnish | November 28, 2014 | 182.0K | 47482 |
| Putois | Anatole France | Essays & miscellany | English | October 27, 2007 | 46.7K | 23219 |
| Pyhän Klaaran kaivolla | Anatole France | Essays & miscellany | Finnish | June 7, 2023 | 318.9K | 70933 |
| Pythagoras and the Delphic mysteries | Edouard Schuré | Ancient & classical | English | July 17, 2025 | 265.3K | 76522 |
| Quacks and Grafters | Anonymous | Essays & miscellany | English | February 21, 2012 | 187.5K | 38929 |
| Quartz from the Uplands | Lewis McKenzie Turner | Essays & miscellany | English | September 1, 2020 | 28.7K | 63095 |
| Que nada se sabe | Francisco Sánchez | Essays & miscellany | Spanish | July 28, 2021 | 254.0K | 65937 |
| Quéda que as Mulheres Têm para os Tolos | Victor Hénaux | Essays & miscellany | Portuguese | May 27, 2019 | 41.6K | 59620 |
| Quelques aspects du vertige mondial | Pierre Loti | Essays & miscellany | French | April 8, 2010 | 310.6K | 31918 |
| Quit Your Worrying! | — | Essays & miscellany | English | — | 289.1K | 12813 |
| Quo vadimus? | E. E. Fournier d'Albe | Essays & miscellany | English | May 1, 2024 | 92.4K | 73514 |
| Quotes and Images from Chesterfield's Letters to His Son | Earl of Philip Dormer Stanhope Chesterfield | Conduct, society & education | English | August 29, 2004 | 47.5K | 7539 |
| Quotes and Images From The Confessions of Jean Jacques Rousseau | Jean-Jacques Rousseau | Early modern & Enlightenment | English | August 28, 2004 | 28.0K | 7555 |
| Quotes and Images from the Memoirs of Jacques Casanova de Seingalt | Giacomo Casanova | Essays & miscellany | English | August 26, 2004 | 27.5K | 7538 |
| Quotes and Images From The Works of Michel De Montaigne | Michel de Montaigne | Early modern & Enlightenment | English | September 3, 2004 | 81.9K | 7551 |
| Race Improvement; or, Eugenics: A Little Book on a Great Subject | La Reine Helen McKenzie Baker | Essays & miscellany | English | January 15, 2015 | 144.8K | 47976 |
| Rajankäyntiä nykyisen kirjallisuutemme suunnista | Juhani Siljo | Essays & miscellany | Finnish | October 16, 2013 | 122.9K | 43962 |
| Rameaun veljenpoika: Filosofinen vuorokeskustelu | Denis Diderot | Early modern & Enlightenment | Finnish | July 21, 2015 | 264.6K | 49498 |
| Rasselas, Prince of Abyssinia | Samuel Johnson | Essays & miscellany | English | September 1, 1996 | 240.5K | 652 |
| Rationalism | J. M. Robertson | Essays & miscellany | English | April 11, 2010 | 127.4K | 31941 |
| Readings on Fascism and National Socialism | — | Essays & miscellany | English | — | 270.1K | 14058 |
| Reason and Faith; Their Claims and Conflicts | Henry Rogers | Religion & theology | English | April 6, 2005 | 196.2K | 15563 |
| Reason, the Only Oracle of Man; Or, A Compendius System of Natural Religion | Ethan Allen | Religion & theology | English | October 10, 2011 | 297.0K | 37694 |
| Rebuttal | Betsy Curtis | Essays & miscellany | English | February 21, 2022 | 38.1K | 67455 |
| Recent Developments in European Thought | Various | Essays & miscellany | English | February 16, 2005 | 573.4K | 15084 |
| Recollections and Impressions, 1822-1890 | Octavius Brooks Frothingham | Essays & miscellany | English | October 13, 2011 | 476.4K | 37744 |
| Reconstruction in Philosophy | John Dewey | Modern & 20th century | English | June 26, 2012 | 336.1K | 40089 |
| Recreation | Edward Grey | Essays & miscellany | English | March 10, 2006 | 56.5K | 17956 |
| Rede zum Schuljahresabschluß am 29. September 1809 | Georg Wilhelm Friedrich Hegel | 19th century | German | October 1, 2004 | 48.8K | 6728 |
| Reden an die deutsche Nation | Johann Gottlieb Fichte | 19th century | German | February 22, 2015 | 521.6K | 48340 |
| Reflections on the death of a porcupine and other essays | D. H. Lawrence | Essays & miscellany | English | May 24, 2024 | 312.6K | 73691 |
| Reflections on the Operation of the Present System of Education, 1853 | C. C. Andrews | Conduct, society & education | English | March 15, 2009 | 53.4K | 28330 |
| Reflections on War and Death | Sigmund Freud | Modern & 20th century | English | April 15, 2011 | 75.9K | 35875 |
| Réflexions sur le suicide | Madame de Staël | Essays & miscellany | French | January 2, 2022 | 127.4K | 67086 |
| Reform and Politics | John Greenleaf Whittier | Essays & miscellany | English | December 1, 2005 | 88.7K | 9596 |
| Reformed Logic | D. B. McLachlan | Essays & miscellany | English | August 31, 2016 | 331.4K | 52945 |
| Regeneration | A. Egmont Hake | Essays & miscellany | English | September 3, 2025 | 459.6K | 76803 |
| Regrets sur ma vieille robe de chambre (French) | — | Essays & miscellany | English | — | 13.6K | 13863 |
| Reincarnation and the Law of Karma | William Walker Atkinson | Modern & 20th century | English | August 19, 2008 | 283.5K | 26364 |
| Reincarnation: A Study in Human Evolution | Théophile Pascal | Early modern & Enlightenment | English | May 19, 2007 | 414.9K | 21533 |
| Reinstern | Eloise O. Randall Richberg | Essays & miscellany | English | August 24, 2020 | 56.0K | 63028 |
| Relativitätstheorie und Erkenntnis Apriori | Hans Reichenbach | Essays & miscellany | German | May 31, 2018 | 213.4K | 57240 |
| Religio Journalistici | Christopher Morley | Religion & theology | English | August 25, 2021 | 71.7K | 66145 |
| Religio Medici, Hydriotaphia, and the Letter to a Friend | Sir Thomas Browne | Conduct, society & education | English | July 1, 1996 | 362.7K | 586 |
| Religion & Sex: Studies in the Pathology of Religious Development | Chapman Cohen | Religion & theology | English | October 21, 2009 | 516.0K | 30306 |
| Religion and Science from Galileo to Bergson | J. C. Hardwick | Modern & 20th century | English | April 5, 2011 | 262.0K | 35772 |
| Religion and the War | Yale University. Divinity School | Religion & theology | English | July 17, 2011 | 360.6K | 36757 |
| Religion in the Heavens; Or, Mythology Unveiled in a Series of Lectures | Logan Mitchell | Religion & theology | English | December 22, 2011 | 472.5K | 38375 |
| Religion und Kosmos | Johannes Schlaf | Religion & theology | German | November 25, 2018 | 165.5K | 58352 |
| Religious Perplexities | L. P. Jacks | Essays & miscellany | English | May 31, 2010 | 110.7K | 32578 |
| Representative Men: Seven Lectures | Ralph Waldo Emerson | 19th century | English | August 1, 2004 | 349.7K | 6312 |
| Resist not evil | Clarence Darrow | Essays & miscellany | English | July 19, 2025 | 179.6K | 76531 |
| Revelations of Divine Love | — | Religion & theology | English | September 2, 2016 | 464.9K | 52958 |
| Review of the Work of Mr John Stuart Mill Entitled, 'Examination of Sir William Hamilton's Philosophy.' | — | 19th century | English | — | 112.7K | 12002 |
| Revista de Filosofía, Año V - Nº 3 - May/1919 | Various | Essays & miscellany | Spanish | December 12, 2016 | 434.2K | 53718 |
| Revolted Woman: Past, present, and to come | Charles G. Harper | Essays & miscellany | English | December 19, 2018 | 209.6K | 58496 |
| Revolutionist's Handbook and Pocket Companion | Bernard Shaw | Essays & miscellany | English | July 22, 2008 | 95.0K | 26108 |
| Rhetoric and Poetry in the Renaissance | — | Essays & miscellany | English | — | 282.6K | 10140 |
| Right Living as a Fine Art | Newell Dwight Hillis | Essays & miscellany | English | July 10, 2011 | 53.5K | 36695 |
| Ritual of the Order of the Eastern Star | — | Essays & miscellany | English | January 8, 2020 | 149.3K | 61130 |
| Rosa Alchemica | W. B. Yeats | Essays & miscellany | English | May 1, 2004 | 61.6K | 5794 |
| Rousseau | Paul Hensel | Early modern & Enlightenment | German | December 20, 2013 | 262.4K | 44474 |
| Rousseau (Volume 1 and 2) | — | Early modern & Enlightenment | English | — | 1.1M | 14052 |
| Rousseau and Romanticism | Irving Babbitt | Early modern & Enlightenment | English | October 16, 2015 | 844.3K | 50235 |
| Rudimental Divine Science | Mary Baker G. Eddy | Religion & theology | English | October 30, 2006 | 58.7K | 19666 |
| Rudolph Eucken - a philosophy of life | — | Modern & 20th century | English | — | 157.1K | 14357 |
| Ruhtinas | Niccolò Machiavelli | Essays & miscellany | Finnish | April 24, 2014 | 242.6K | 45472 |
| Runoudesta | Horace | Essays & miscellany | Finnish | October 9, 2016 | 60.1K | 53238 |
| Runousoppi | Aristotle | Ancient & classical | Finnish | May 15, 2017 | 246.4K | 54728 |
| Rusbrock l'Admirable (œuvres choisies) | Jan van Ruusbroec | Essays & miscellany | French | November 7, 2024 | 301.1K | 74694 |
| Ruysbroeck and the Mystics: with selections from Ruysbroeck | Maurice Maeterlinck | Religion & theology | English | November 25, 2021 | 151.4K | 66820 |
| Sa Ano Nabubuhay Ang Tao | Leo Nikolayevich Tolstoy | Eastern & classical | Tagalog | April 15, 2005 | 62.7K | 15628 |
| Sacred Books of the East | — | Religion & theology | English | — | 1004.4K | 12894 |
| Sadhana : the realisation of life | Rabindranath Tagore | Eastern & classical | English | November 1, 2004 | 225.7K | 6842 |
| Saint Ursula: I. The Story of St. Ursula. II. The Dream of St. Ursula. | John Ruskin | Religion & theology | English | October 4, 2009 | 38.2K | 30173 |
| Salatiedettä omin päin (Finnish) | — | Essays & miscellany | English | — | 150.6K | 12165 |
| Salmonia; Or, Days of Fly Fishing | Sir Humphry Davy | Essays & miscellany | English | January 17, 2016 | 380.5K | 50944 |
| Sämmtliche Werke 8: Vermischte Schriften und Aufsätze | Johann Gottlieb Fichte | 19th century | German | March 5, 2016 | 1.0M | 51359 |
| Sämtliche Werke 13 | Fyodor Dostoyevsky | Essays & miscellany | German | January 24, 2022 | 898.5K | 67241 |
| San Ignacio de Loyola | Benjamín Marcos | Essays & miscellany | Spanish | October 2, 2020 | 386.7K | 63359 |
| Sancti Hilarii: Pictaviensis Episcopi Opera Omnia | Bishop of Poitiers Saint Hilary | Religion & theology | Latin | July 23, 2009 | 23.9K | 29495 |
| Sartor Resartus- The Life and Opinions of Herr Teufelsdröckh | — | Essays & miscellany | English | — | 481.7K | 1051 |
| Sartor Resartus, and On Heroes, Hero-Worship, and the Heroic in History | Thomas Carlyle | 19th century | English | February 15, 2007 | 1.0M | 20585 |
| Satires and Profanities | James Thomson | Modern & 20th century | English | March 12, 2012 | 372.8K | 39119 |
| Saturday Night Thoughts | Orson F. Whitney | Conduct, society & education | English | March 6, 2018 | 507.4K | 56691 |
| Scenes and Portraits | Frederic Manning | Essays & miscellany | English | October 20, 2019 | 338.1K | 60537 |
| Schopenhauer | Thomas Whittaker | 19th century | English | December 12, 2011 | 135.1K | 38283 |
| Schopenhauer | Margrieta Beer | 19th century | English | October 18, 2014 | 179.3K | 47136 |
| Science & Education: Essays | Thomas Henry Huxley | Conduct, society & education | English | December 1, 2004 | 644.6K | 7150 |
| Science and Culture, and Other Essays | Thomas Henry Huxley | Essays & miscellany | English | June 15, 2016 | 581.2K | 52344 |
| Science and the Infinite; or, Through a Window in the Blank Wall | Sydney T. Klein | Essays & miscellany | English | June 29, 2008 | 265.0K | 25931 |
| Science and the modern world | Alfred North Whitehead | Modern & 20th century | English | July 25, 2022 | 513.0K | 68611 |
| Scientific Romances (First Series) | Charles Howard Hinton | Essays & miscellany | English | June 26, 2015 | 394.4K | 49289 |
| Scipion unennäkö | Marcus Tullius Cicero | Ancient & classical | Finnish | May 6, 2018 | 44.8K | 57105 |
| Scripture texts illustrated by general literature | Francis Jacox | Essays & miscellany | English | March 30, 2023 | 879.9K | 70412 |
| Scritti politici | conte Terenzio Mamiani della Rovere | Essays & miscellany | Italian | June 2, 2020 | 1.1M | 62302 |
| Search-Light Letters | Robert Grant | Conduct, society & education | English | October 4, 2011 | 284.9K | 37613 |
| Searchlights on Health- The Science of Eugenics | — | Essays & miscellany | English | — | 836.3K | 13444 |
| Second Sight: A Study of Natural and Induced Clairvoyance | Sepharial | Essays & miscellany | English | September 16, 2008 | 132.2K | 26633 |
| Second Treatise of Government | John Locke | Early modern & Enlightenment | English | January 1, 2005 | 331.1K | 7370 |
| Secret Diplomacy: How Far Can It Be Eliminated? | Paul S. Reinsch | Essays & miscellany | English | March 2, 2021 | 308.9K | 64671 |
| Secret Enemies of True Republicanism | — | Essays & miscellany | English | — | 445.5K | 14675 |
| Seekers after God | — | Religion & theology | English | — | 493.2K | 10846 |
| Selbstbetrachtungen | Marc Aurel | Essays & miscellany | German | February 12, 2005 | 271.6K | 15028 |
| Select works of Porphyry | Porphyry | Ancient & classical | English | October 8, 2025 | 602.9K | 77014 |
| Selected Essays of Plutarch, Vol. I. | Plutarch | Ancient & classical | English | July 11, 2020 | 594.9K | 62618 |
| Selected Essays of Plutarch, Vol. II. | Plutarch | Ancient & classical | English | August 5, 2020 | 742.6K | 62858 |
| Selected Works of Voltairine de Cleyre | Voltairine De Cleyre | Essays & miscellany | English | July 6, 2013 | 811.4K | 43098 |
| Selections from Previous Works | Samuel Butler | Essays & miscellany | English | October 24, 2006 | 560.9K | 19610 |
| Selections from the Principles of Philosophy | René Descartes | Early modern & Enlightenment | English | August 1, 2003 | 195.5K | 4391 |
| Selections from the Prose Writings of John Henry Cardinal Newman | John Henry Newman | Religion & theology | English | November 7, 2012 | 476.4K | 41310 |
| Selections from the Speeches and Writings of Edmund Burke | Edmund Burke | Essays & miscellany | English | June 1, 2002 | 958.8K | 3286 |
| Selections from the Writings of ‘Abdu’l-Bahá | ‘Abdu’l-Bahá | Essays & miscellany | English | June 2006 | 598.5K | 19287 |
| Selections from the Writings of Kierkegaard | Søren Kierkegaard | 19th century | English | September 20, 2019 | 495.8K | 60333 |
| Self and self-management | Arnold Bennett | Essays & miscellany | English | April 21, 2025 | 111.9K | 75928 |
| Self Knowledge and Guide to Sex Instruction: Vital Facts of Life for All Ages | Thomas W. Shannon | Essays & miscellany | English | January 11, 2015 | 787.8K | 47947 |
| Self-Control, Its Kingship and Majesty | William George Jordan | Modern & 20th century | English | March 16, 2016 | 157.8K | 51469 |
| Self-Development and the Way to Power | — | Essays & miscellany | English | — | 55.6K | 13142 |
| Seraphita | — | Essays & miscellany | English | — | 294.8K | 1432 |
| Sermão contra o Filosofismo do Seculo XIX | José Agostinho de Macedo | Essays & miscellany | Portuguese | July 24, 2010 | 83.6K | 33245 |
| Sermons on Evil-Speaking | Isaac Barrow | Religion & theology | English | November 25, 2003 | 245.9K | 10274 |
| Sermons on Various Important Subjects | Andrew Lee | Religion & theology | English | February 13, 2005 | 575.8K | 15031 |
| Sermons Preached at Brighton | Frederick W. Robertson | Religion & theology | English | September 4, 2005 | 548.3K | 16645 |
| Sesame and Lilies | John Ruskin | Essays & miscellany | English | August 5, 2019 | 291.0K | 1293 |
| Sésame et les lys: des trésors des rois, des jardins des reines | John Ruskin | Essays & miscellany | French | January 4, 2021 | 427.6K | 64213 |
| Seventy Years Among Savages | Henry S. Salt | Essays & miscellany | English | June 30, 2015 | 478.8K | 49336 |
| Sex and Common-Sense | — | Essays & miscellany | English | — | 198.1K | 11965 |
| Sex--The Unknown Quantity: The Spiritual Function of Sex | Alexander J. McIvor-Tyndall | Religion & theology | English | September 3, 2009 | 369.2K | 29896 |
| Sex-Love, and Its Place in a Free Society | Edward Carpenter | Essays & miscellany | English | March 16, 2013 | 51.0K | 37356 |
| Sextus Empiricus and Greek Scepticism | Mary Mills Patrick | Ancient & classical | English | January 20, 2006 | 303.4K | 17556 |
| Sexueele Zeden in Woord en Beeld: Liefde en Zinnelijkheid | D. Ph. van Vloten Elderinck | Essays & miscellany | Dutch | October 29, 2007 | 379.5K | 23238 |
| Shakspere and Montaigne | Jacob Feis | Early modern & Enlightenment | English | May 1, 2005 | 339.2K | 8139 |
| Shelley and the Marriage Question | John Todhunter | Conduct, society & education | English | October 16, 2010 | 47.1K | 34085 |
| Short Studies on Great Subjects | James Anthony Froude | Modern & 20th century | English | March 6, 2007 | 1.0M | 20755 |
| Sibylla | C. A. Mace | Essays & miscellany | English | August 25, 2025 | 86.9K | 76731 |
| Siddhartha | Hermann Hesse | Essays & miscellany | English | February 1, 2001 | 236.8K | 2500 |
| Siddhartha: A Poem of India | Hermann Hesse | Essays & miscellany | English | November 24, 2018 | 255.1K | 58344 |
| Siddhartha: eine indische Dichtung | Hermann Hesse | Essays & miscellany | German | February 1, 2001 | 234.6K | 2499 |
| Simon Magus | — | Essays & miscellany | English | — | 205.1K | 12892 |
| Sir Thomas Browne and his 'Religio Medici' | Alexander Whyte | Essays & miscellany | English | July 25, 2005 | 112.0K | 16359 |
| Sir Thomas More, or, Colloquies on the Progress and Prospects of Society | Robert Southey | Essays & miscellany | English | July 1, 2003 | 247.1K | 4243 |
| Sisäiset voimat | Charles Baudouin | Essays & miscellany | Finnish | April 29, 2023 | 221.8K | 70673 |
| Six Discourses on the Miracles of Our Saviour, and Defences of His Discourses | Thomas Woolston | Essays & miscellany | English | October 27, 2012 | 759.0K | 41203 |
| Six Major Prophets | Edwin E. Slosson | Essays & miscellany | English | September 8, 2014 | 445.2K | 46809 |
| Six metaphysical meditations | René Descartes | Early modern & Enlightenment | English | February 20, 2023 | 213.4K | 70091 |
| Sketch of a New Esthetic of Music | Ferruccio Busoni | Essays & miscellany | English | March 27, 2010 | 82.0K | 31799 |
| Slaveholding Weighed in the Balance of Truth, and Its Comparative Guilt Illustrated | Charles Fitch | Conduct, society & education | English | March 5, 2016 | 76.4K | 51371 |
| Slavery | William Ellery Channing | Modern & 20th century | English | January 23, 2014 | 241.0K | 44736 |
| Slavery and the Constitution | William I. Bowditch | Modern & 20th century | English | January 30, 2012 | 352.2K | 38716 |
| Slavery: letters and speeches | Horace Mann | Conduct, society & education | English | April 30, 2023 | 1.1M | 70681 |
| Social Justice Without Socialism | John Bates Clark | Essays & miscellany | English | October 24, 2009 | 54.4K | 29393 |
| Social Origins and Primal Law | Andrew Lang | Essays & miscellany | English | May 23, 2014 | 684.8K | 45724 |
| Socialism | John Stuart Mill | 19th century | English | November 25, 2011 | 173.7K | 38138 |
| Socialism and Modern Science (Darwin, Spencer, Marx) | Enrico Ferri | 19th century | English | May 16, 2006 | 336.0K | 18397 |
| Socialism Exposed | Joseph Mather | Essays & miscellany | English | June 28, 2020 | 77.0K | 62506 |
| Socialism, Utopian and Scientific | Friedrich Engels | 19th century | English | March 24, 2012 | 175.9K | 39257 |
| Socialism: Positive and Negative | Robert Rives La Monte | 19th century | English | November 21, 2007 | 185.2K | 23574 |
| Socialismo y ciencia positiva (Darwin-Spencer-Marx) | Enrico Ferri | 19th century | Spanish | March 4, 2017 | 249.8K | 54282 |
| Society and solitude: Twelve chapters | Ralph Waldo Emerson | 19th century | English | October 29, 2022 | 389.4K | 69258 |
| Socrate | Antonio Labriola | Ancient & classical | Italian | March 15, 2019 | 331.6K | 59064 |
| Socrates | Voltaire | Ancient & classical | English | November 1, 2003 | 70.7K | 4683 |
| Sognando | Matilde Serao | Essays & miscellany | Italian | July 21, 2020 | 129.3K | 62721 |
| Sokrateen puolustuspuhe | Plato | Ancient & classical | Finnish | May 3, 2018 | 127.9K | 57085 |
| Soldados da Revolução | Antero de Quental | Essays & miscellany | Portuguese | September 15, 2009 | 27.0K | 29997 |
| Soliloques sceptiques | François de La Mothe Le Vayer | Essays & miscellany | French | August 30, 2012 | 70.7K | 40625 |
| Soliloquies in England, and Later Soliloquies | George Santayana | Modern & 20th century | English | March 7, 2015 | 582.0K | 48429 |
| Solitude | Johann Georg Zimmermann | Essays & miscellany | English | November 7, 2017 | 713.5K | 55898 |
| Solomon Maimon: An Autobiography. | Solomon Maimon | Essays & miscellany | English | October 13, 2012 | 504.9K | 41042 |
| Some Answered Questions | ‘Abdu’l-Bahá | Essays & miscellany | English | September 2006 | 488.0K | 19289 |
| Some Causes of the Prevailing Discontent | Charles Dudley Warner | Essays & miscellany | English | December 5, 2004 | 55.1K | 3113 |
| Some Observations Upon the Civilization of the Western Barbarians, Particularly of the English | John B. Swazey | Essays & miscellany | English | May 23, 2020 | 491.2K | 62209 |
| Some Reflections Upon Marriage. | Mary Astell | Conduct, society & education | English | January 11, 2020 | 201.5K | 61143 |
| Some Remains (hitherto unpublished) of Joseph Butler, LL.D. | Joseph Butler | Essays & miscellany | English | March 12, 2007 | 58.2K | 20801 |
| Some Turns of Thought in Modern Philosophy | George Santayana | Modern & 20th century | English | September 17, 2005 | 163.2K | 16712 |
| Some War-time Lessons | Frederick P. Keppel | Essays & miscellany | English | May 30, 2010 | 129.0K | 32608 |
| Sophist | Plato | Ancient & classical | English | May, 1999 | 279.8K | 1735 |
| Sosialismi ja individualismi | Oscar Wilde | Essays & miscellany | Finnish | December 7, 2014 | 113.1K | 47573 |
| Sosialistisen filosofian juuret | Friedrich Engels | 19th century | Finnish | December 29, 2024 | 178.6K | 74991 |
| Sotto il velame: Saggio di un'interpretazione generale del poema sacro | Giovanni Pascoli | Essays & miscellany | Italian | May 5, 2014 | 790.1K | 45594 |
| Sous les eaux tumultueuses | Dora Melegari | Essays & miscellany | French | June 14, 2022 | 227.4K | 68312 |
| Souvenirs concernant Jules Lagneau | Alain | Essays & miscellany | French | November 8, 2023 | 214.7K | 72071 |
| Sowing and Reaping | Dwight Lyman Moody | Essays & miscellany | English | December 26, 2009 | 149.9K | 30768 |
| Specialiteiten (Dutch) | — | Essays & miscellany | English | — | 328.2K | 10664 |
| Specimens of the Table Talk of Samuel Taylor Coleridge | Samuel Taylor Coleridge | Essays & miscellany | English | July 1, 2005 | 666.5K | 8489 |
| Speech of John Hossack, Convicted of a Violation of the Fugitive Slave Law | — | Conduct, society & education | English | — | 22.7K | 13987 |
| Speeches, Addresses, and Occasional Sermons, Volume 1 (of 3) | Theodore Parker | Religion & theology | English | December 5, 2010 | 609.0K | 34573 |
| Speeches, Addresses, and Occasional Sermons, Volume 3 (of 3) | Theodore Parker | Religion & theology | English | December 18, 2010 | 604.5K | 34688 |
| Spencer's Philosophy of Science | C. Lloyd Morgan | 19th century | English | September 23, 2011 | 114.7K | 37513 |
| Spiridion | George Sand | Essays & miscellany | French | March 21, 2008 | 499.6K | 15239 |
| Spirit and Music | H. Ernest Hunt | Religion & theology | English | May 20, 2007 | 183.6K | 21542 |
| Spirit Slate Writing and Kindred Phenomena | Chung Ling Soo | Religion & theology | English | April 19, 2020 | 205.9K | 61871 |
| Spiritismo? | Luigi Capuana | Religion & theology | Italian | August 22, 2015 | 262.0K | 49759 |
| Spiritual Energies in Daily Life | Rufus M. Jones | Religion & theology | English | December 22, 2019 | 250.4K | 61004 |
| Spiritual Life and the Word of God | — | Religion & theology | English | — | 242.7K | 14026 |
| Spiritual Reformers in the 16th & 17th Centuries | Rufus M. Jones | Religion & theology | English | March 28, 2008 | 879.3K | 24934 |
| Sree Krishna, the Lord of Love | Baba Premananda Bharati | Essays & miscellany | English | December 26, 2021 | 534.8K | 67019 |
| St John Damascene on Holy Images (πρὸς τοὺς διαβάλλοντας τᾶς ἁγίας εἰκόνας). Followed by Three Sermons on the Assumption (κοίμησις) | — | Medieval & scholastic | English | September 9, 2015 | 350.4K | 49917 |
| St. Paul and Protestantism, with an Essay on Puritanism and the Church of England | Matthew Arnold | Religion & theology | English | May 27, 2017 | 306.7K | 54793 |
| Statesman | Plato | Ancient & classical | English | May, 1999 | 246.9K | 1738 |
| Stories from Aulus Gellius | Aulus Gellius | Essays & miscellany | Latin | June 21, 2008 | 312.5K | 25861 |
| Straws and prayer-books; dizain des diversions | James Branch Cabell | Modern & 20th century | English | November 16, 2024 | 374.3K | 74748 |
| Studies and Exercises in Formal Logic | John Neville Keynes | Essays & miscellany | English | May 24, 2019 | 19.7K | 59590 |
| Studies in Logical Theory | John Dewey | Modern & 20th century | English | September 5, 2012 | 819.4K | 40665 |
| Studies in the Evolutionary Psychology of Feeling | Hiram Miner Stanley | Modern & 20th century | English | July 24, 2018 | 784.8K | 57573 |
| Studies in the History and Method of Science, vol. 1 (of 2) | — | Essays & miscellany | English | August 12, 2014 | 832.2K | 46572 |
| Studies in the Out-Lying Fields of Psychic Science | Hudson Tuttle | Religion & theology | English | April 13, 2011 | 436.8K | 35855 |
| Studies of Christianity; Or, Timely Thoughts for Religious Thinkers | James Martineau | Modern & 20th century | English | August 1, 2012 | 1.1M | 40387 |
| Studies on Homer and the Homeric Age, Vol. 3 of 3 | W. E. Gladstone | Conduct, society & education | English | September 7, 2016 | 1.2M | 53004 |
| Studies on Slavery, in Easy Lessons | John Fletcher | Conduct, society & education | English | June 5, 2015 | 1.5M | 49140 |
| Study of Inner Cultivation | Anonymous | Eastern & classical | English, Chinese | January 15, 2012 | 54.7K | 38585 |
| Submission to Divine Providence in the Death of Children | Philip Doddridge | Religion & theology | English | July 21, 2008 | 87.9K | 26097 |
| Subscription the disgrace of the English Church [2nd edition] | C. N. Wodehouse | Religion & theology | English | November 13, 2020 | 90.5K | 63735 |
| Suicide: Its History, Literature, Jurisprudence, Causation, and Prevention | W. Wynn Westcott | Essays & miscellany | English | January 24, 2019 | 300.1K | 58766 |
| Summa Theologica, Part I (Prima Pars) | Thomas Aquinas | Medieval & scholastic | English | January 26, 2006 | 2.8M | 17611 |
| Summa Theologica, Part I-II (Pars Prima Secundae) | Saint Thomas Aquinas | Medieval & scholastic | English | March 1, 2006 | 2.8M | 17897 |
| Summa Theologica, Part II-II (Secunda Secundae) | Thomas Aquinas | Medieval & scholastic | English | July 4, 2006 | 4.0M | 18755 |
| Summa Theologica, Part III (Tertia Pars) | Thomas Aquinas | Medieval & scholastic | English | November 28, 2006 | 2.6M | 19950 |
| Sun Tzŭ on the Art of War: The Oldest Military Treatise in the World | active 6th century B.C. Sunzi | Eastern & classical | English | November 11, 2021 | 551.2K | 66706 |
| Supernatural Religion, Vol. 1 (of 3) | Walter Richard Cassels | Religion & theology | English | August 28, 2011 | 846.4K | 37231 |
| Supernatural Religion, Vol. 3 (of 3) | Walter Richard Cassels | Religion & theology | English | August 28, 2011 | 878.6K | 37233 |
| Superstition In All Ages (1732) | Jean Meslier | Essays & miscellany | English | January 25, 2006 | 492.3K | 17607 |
| Superstition in Medicine | Hugo Magnus | Essays & miscellany | English | January 24, 2014 | 277.6K | 44744 |
| Superstition Unveiled | Charles Southwell | Essays & miscellany | English | April 24, 2005 | 149.3K | 15696 |
| Supplément au Voyage de Bougainville | Denis Diderot | Early modern & Enlightenment | French | September 1, 2004 | 113.4K | 6501 |
| Suuren hiljaisuuden miehi� | Various | Essays & miscellany | Finnish | November 12, 2006 | 481.4K | 19773 |
| Suuret haaveilijat | Kaapo Murros | Essays & miscellany | Finnish | February 12, 2025 | 166.8K | 75354 |
| Suuri oppi: Johdatus kungfutselaiseen elämänkatsomukseen | Confucius | Eastern & classical | Finnish | May 1, 2016 | 450.3K | 51906 |
| Symbolic Logic | Lewis Carroll | Essays & miscellany | English | May 5, 2009 | 463.4K | 28696 |
| Symposium | Plato | Ancient & classical | English | January, 1999 | 196.1K | 1600 |
| System of Economical Contradictions; Or, The Philosophy of Misery | P.-J. Proudhon | Essays & miscellany | English | February 1, 1996 | 873.2K | 444 |
| Systematic Theology (Volume 2 of 3) | Augustus Hopkins Strong | Religion & theology | English | December 31, 2013 | 2.0M | 44555 |
| Tablet to August Forel | ‘Abdu’l-Bahá | Essays & miscellany | English | September 2006 | 51.1K | 19292 |
| Tablets | Amos Bronson Alcott | Essays & miscellany | English | July 23, 2011 | 244.4K | 36825 |
| Talk about Socialism with an old shopmate | Anonymous | Essays & miscellany | English | June 18, 2020 | 38.0K | 62420 |
| Talks with Tolstoi | Aleksandr Borisovich Golʹdenveĭzer | Essays & miscellany | English | April 25, 2021 | 221.8K | 65159 |
| Tantalus | F. C. S. Schiller | Essays & miscellany | English | December 12, 2023 | 66.3K | 72381 |
| Tauromaquia completa, ó sea, El arte de torear en plaza | Francisco Montes | Essays & miscellany | Spanish | August 24, 2020 | 370.7K | 63030 |
| TEE TYÖTÄ ELÄKÄ JOUDU EPÄTOIVOON! | Thomas Carlyle | 19th century | Finnish | July 17, 2005 | 268.7K | 16318 |
| Telepathy and the Subliminal Self | R. Osgood Mason | Essays & miscellany | English | August 25, 2011 | 441.5K | 37203 |
| Teltantekijän lauselmia | Omar Khayyam | Essays & miscellany | Finnish | February 27, 2025 | 77.5K | 75481 |
| Temporal Power: A Study in Supremacy | Marie Corelli | Essays & miscellany | English | November 1, 2004 | 1.1M | 6921 |
| Ten Great Religions- An Essay in Comparative Theology | — | Religion & theology | English | — | 1.1M | 14674 |
| Ten Thousand Dreams Interpreted; Or, What's in a Dream | Gustavus Hindman Miller | Essays & miscellany | English | May 1, 1997 | 921.7K | 926 |
| Természet, ember, társadalom: Válogatott tanulmányok | Ralph Waldo Emerson | 19th century | Hungarian | September 7, 2021 | 289.2K | 66233 |
| Terpander; or, Music and the future | Edward J. Dent | Essays & miscellany | English | July 24, 2025 | 109.6K | 76559 |
| Teste quadre | Enrico Panzacchi | Essays & miscellany | Italian | August 18, 2015 | 301.8K | 49733 |
| Thaumaturgia; Or, Elucidations of the Marvellous | — | Essays & miscellany | English | — | 543.0K | 10088 |
| The Abominations of Modern Society | — | Essays & miscellany | English | — | 298.4K | 13104 |
| The Academic Questions, Treatise De Finibus, and Tusculan Disputations, of M.T. Cicero, With a Sketch of the Greek Philosophers Mentioned by Cicero | Marcus Tullius Cicero | Ancient & classical | English | June 26, 2009 | 1.2M | 29247 |
| The Acquisitive Society | R. H. Tawney | Essays & miscellany | English | September 16, 2010 | 317.7K | 33741 |
| The Advancement of Learning | Francis Bacon | Early modern & Enlightenment | English | April 1, 2004 | 505.0K | 5500 |
| The Alleged Haunting of B---- House | Various | Essays & miscellany | English | August 17, 2005 | 339.6K | 16538 |
| The Americanism of Washington | — | Essays & miscellany | English | — | 36.5K | 11192 |
| The Americans | Hugo Münsterberg | Essays & miscellany | English | January 15, 2018 | 1.4M | 56376 |
| The Analects of Confucius (from the Chinese Classics) | Confucius | Eastern & classical | English | July 1, 2002 | 187.2K | 3330 |
| The Analogy of Religion to the Constitution and Course of Nature | Joseph Butler | Religion & theology | English | October 22, 2016 | 885.3K | 53346 |
| The Analysis of Beauty | William Hogarth | Modern & 20th century | English | March 15, 2016 | 279.9K | 51459 |
| The Analysis of Mind | Bertrand Russell | Modern & 20th century | English | February 1, 2001 | 536.4K | 2529 |
| The Anatomy of Melancholy | — | Essays & miscellany | English | — | 3.2M | 10800 |
| The Anatomy of Suicide | Forbes Winslow | Essays & miscellany | English | January 12, 2016 | 710.3K | 50907 |
| The Angel | Guy Thorne | Essays & miscellany | English | August 24, 2012 | 500.1K | 40571 |
| The Anti-Slavery Examiner, Omnibus | — | Conduct, society & education | English | — | 5.6M | 11275 |
| The Anti-Slavery Examiner, Part 4 of 4 | — | Conduct, society & education | English | — | 430.1K | 11274 |
| The Antichrist | — | Essays & miscellany | English | — | 198.4K | 19322 |
| The Apologia and Florida of Apuleius of Madaura | Apuleius | Essays & miscellany | English | August 13, 2008 | 374.7K | 26294 |
| The Apology | — | Essays & miscellany | English | — | 27.7K | 1171 |
| The Apology of the Augsburg Confession | Philipp Melanchthon | Essays & miscellany | English | October 1, 2004 | 654.0K | 6744 |
| The Appetite of Tyranny- Including Letters to an Old Garibaldian | — | Conduct, society & education | English | — | 102.1K | 11605 |
| The Approach to Philosophy | Ralph Barton Perry | Essays & miscellany | English | April 19, 2008 | 638.6K | 25110 |
| The Aquarian Gospel of Jesus the Christ | Levi | Religion & theology | English | October 30, 2013 | 802.6K | 44073 |
| The Arena | Various | Essays & miscellany | English | October 22, 2006 | 327.9K | 19603 |
| The Arena, Volume 18, No. 93, August, 1897 | Various | Essays & miscellany | English | September 5, 2010 | 347.2K | 33646 |
| The Arena, Volume 4, No. 22, September, 1891 | Various | Essays & miscellany | English | August 27, 2007 | 295.3K | 22419 |
| The Art of Being Happy | Joseph Droz | Essays & miscellany | English | March 29, 2018 | 589.2K | 56869 |
| The Art of Drinking: A Historical Sketch | Georg Gottfried Gervinus | Essays & miscellany | English | October 8, 2014 | 61.6K | 47076 |
| The Art of Logical Thinking; Or, The Laws of Reasoning | William Walker Atkinson | Modern & 20th century | English | January 13, 2013 | 223.5K | 41838 |
| The art of preserving health: A poem | John Armstrong | Essays & miscellany | English | March 20, 2023 | 126.2K | 70326 |
| The art of taking a wife | Paolo Mantegazza | Essays & miscellany | English | April 25, 2018 | 232.6K | 57042 |
| The Ascent of the Soul | Amory H. Bradford | Religion & theology | English | July 16, 2005 | 284.1K | 16307 |
| The Astral World—Higher Occult Powers | Joel Tiffany | Religion & theology | English | August 9, 2021 | 359.9K | 66022 |
| The Atlantic Monthly, Volume 05, No. 31, May, 1860 | Various | Essays & miscellany | English | December 2, 2005 | 516.5K | 9472 |
| The Atlantic Monthly, Volume 09, No. 54, April, 1862 | — | Essays & miscellany | English | — | 490.0K | 12097 |
| The Atlantic Monthly, Volume 09, No. 55, May, 1862 | — | Essays & miscellany | English | — | 481.4K | 12107 |
| The Atlantic Monthly, Volume 2, No. 14, December 1858 | Various | Essays & miscellany | English | May 2, 2007 | 507.2K | 21273 |
| The Atlantic Monthly, Volume 5, No. 28, February, 1860 | Various | Essays & miscellany | English | December 2, 2006 | 503.4K | 19995 |
| The Atonement and the Modern Mind | James Denney | Modern & 20th century | English | March 5, 2008 | 164.8K | 24757 |
| The Augsburg Confession | Philipp Melanchthon | Essays & miscellany | English | June 29, 2008 | 102.4K | 275 |
| The Awakening of the Soul | Muhammad ibn 'Abd al-Malik Ibn Tufayl | Religion & theology | English | December 6, 2010 | 142.4K | 34572 |
| The Ball and the Cross | G. K. Chesterton | Essays & miscellany | English | March 1, 2004 | 466.1K | 5265 |
| The Banquet (Il Convito) | — | Essays & miscellany | English | — | 456.1K | 12867 |
| The Barbarity of Circumcision as a Remedy for Congenital Abnormality | Herbert Snow | Essays & miscellany | English | May 3, 2018 | 112.1K | 57083 |
| The Basis of Early Christian Theism | Lawrence Thomas Cole | Religion & theology | English | January 16, 2008 | 118.8K | 24328 |
| The Beauties of Nature, and the Wonders of the World We Live In | Sir John Lubbock | Essays & miscellany | English | March 8, 2009 | 416.8K | 28274 |
| The Beautiful Necessity | — | Essays & miscellany | English | — | 134.5K | 12648 |
| The Beautiful: An Introduction to Psychological Aesthetics | Vernon Lee | Modern & 20th century | English | October 17, 2008 | 225.6K | 26942 |
| The Bible and Polygamy: Does the Bible Sanction Polygamy? | Orson Pratt | Religion & theology | English | February 6, 2016 | 324.8K | 51140 |
| The Bible of Bibles; Or, Twenty-Seven "Divine" Revelations | Kersey Graves | Religion & theology | English | August 24, 2013 | 968.1K | 43550 |
| The Bible of nature | Felix L. Oswald | Religion & theology | English | November 15, 2023 | 376.6K | 72134 |
| The Bible Unveiled | M. M. Mangasarian | Religion & theology | English | April 24, 2014 | 455.0K | 45475 |
| The Bible, Douay-Rheims, Book 23: Ecclesiastes | — | Religion & theology | English | June 1, 2005 | 54.1K | 8323 |
| The Bible, Douay-Rheims, Book 26: Ecclesiasticus | — | Religion & theology | English | June 1, 2005 | 207.0K | 8326 |
| The Bible, King James version, Book 21: Ecclesiastes | Anonymous | Modern & 20th century | English | April 1, 2005 | 54.5K | 8021 |
| The Bible: What It Is! | Charles Bradlaugh | Religion & theology | English | May 29, 2011 | 461.0K | 36266 |
| The Birth of Tragedy; or, Hellenism and Pessimism | Friedrich Wilhelm Nietzsche | Ancient & classical | English | March 4, 2016 | 345.3K | 51356 |
| The Blight of Respectability | Geoffrey Mortimer | Essays & miscellany | English | June 23, 2015 | 175.5K | 49263 |
| The Book of Courage | John T. Faris | Essays & miscellany | English | May 19, 2010 | 262.3K | 32438 |
| The Book of God : In the Light of the Higher Criticism | G. W. Foote | Religion & theology | English | November 22, 2011 | 177.9K | 38092 |
| The Book of Gud | Milo Hastings | Essays & miscellany | English | August 22, 2010 | 311.3K | 33501 |
| The Book of Job | Anonymous | Essays & miscellany | English | April 3, 2025 | 157.6K | 75778 |
| The Book of Khalid | Ameen Fares Rihani | Essays & miscellany | English | June 27, 2009 | 528.7K | 29257 |
| The Book of Life | Upton Sinclair | Essays & miscellany | English | November 23, 2011 | 947.1K | 38117 |
| The Book of Tea | Kakuzo Okakura | Essays & miscellany | English | January 1, 1997 | 123.7K | 769 |
| The Book of the Damned | Charles Fort | Essays & miscellany | English | August 31, 2007 | 666.7K | 22472 |
| The Book of the Lover and the Beloved | Ramon Llull | Essays & miscellany | English | November 16, 2019 | 149.8K | 60704 |
| The Book of War: The Military Classic of the Far East | active 6th century B.C. Sunzi | Eastern & classical | English | October 23, 2013 | 145.2K | 44024 |
| The Brain, A Decoded Enigma | — | Essays & miscellany | English | — | 356.1K | 14586 |
| The Breath of Life | John Burroughs | Essays & miscellany | English | May 7, 2006 | 436.9K | 18335 |
| The Buddhist Catechism | Henry Steel Olcott | Eastern & classical | English | October 8, 2009 | 287.4K | 30216 |
| The Buke of the Order of Knyghthood | Ramon Llull | Essays & miscellany | English | July 30, 2013 | 282.4K | 43365 |
| The Buried Temple | Maurice Maeterlinck | Essays & miscellany | English | November 4, 2006 | 299.2K | 19711 |
| The business career in its public relations | Albert Shaw | Conduct, society & education | English | August 9, 2009 | 81.8K | 29641 |
| The Bustān of Sadi | Sadi | Essays & miscellany | English | October 11, 2019 | 171.2K | 60471 |
| The Call of the Twentieth Century, an Address to Young Men | David Starr Jordan | Modern & 20th century | English | December 1, 2005 | 89.5K | 9469 |
| The Camel and the Needle's Eye | Baron Arthur Ponsonby Ponsonby | Essays & miscellany | English | September 29, 2019 | 240.7K | 60379 |
| The Campaner Thal, and Other Writings | Jean Paul | Essays & miscellany | English | April 24, 2011 | 645.9K | 35948 |
| The case against evolution | George Barry O'Toole | Essays & miscellany | English | July 21, 2022 | 921.7K | 68574 |
| The Case of Wagner | Friedrich Wilhelm Nietzsche | 19th century | English | May 27, 2016 | 299.0K | 52166 |
| The Categories | Aristotle | Ancient & classical | English | November 1, 2000 | 101.0K | 2412 |
| The Cathedral | James Russell Lowell | Modern & 20th century | English | April 22, 2021 | 59.1K | 65136 |
| The Catholic World, Vol. 04, October, 1866 to March, 1867 | Various | Religion & theology | English | June 25, 2013 | 3.2M | 43032 |
| The Catholic World, Vol. 05, April 1867 to September 1867 | Various | Religion & theology | English | January 10, 2017 | 3.2M | 53935 |
| The Catholic World, Vol. 10, October, 1869 to March, 1870 | Various | Religion & theology | English | August 21, 2013 | 3.0M | 43524 |
| The Catholic World, Vol. 15, Nos. 85-90, April 1872-September 1872 | Various | Religion & theology | English | April 25, 2015 | 2.8M | 48790 |
| The Catholic World, Vol. 19, April 1874‐September 1874 | Various | Religion & theology | English | November 21, 2016 | 2.7M | 53571 |
| The Catholic World, Vol. 20, October 1874‐March 1875 | Various | Religion & theology | English | November 20, 2017 | 2.8M | 56022 |
| The Catholic World, Vol. 26, October, 1877, to March, 1878 | Various | Religion & theology | English | April 26, 2019 | 2.9M | 59364 |
| The Cell of Self-Knowledge : seven early English mystical treatises printed by Henry Pepwell in 1521 | — | Religion & theology | English | October 1, 2003 | 206.6K | 4544 |
| The Census in Moscow | graf Leo Tolstoy | Essays & miscellany | English | November 1, 2002 | 42.9K | 3540 |
| The Century of the Child | Ellen Key | Essays & miscellany | English | June 6, 2018 | 429.3K | 57283 |
| The changing world, and lectures to theosophical students. | Annie Besant | Religion & theology | English | August 10, 2018 | 597.3K | 57667 |
| The Chautauquan, Vol. 04, October 1883 | Chautauqua Literary and Scientific Circle | Essays & miscellany | English | February 13, 2016 | 527.2K | 51196 |
| The Chautauquan, Vol. 05, April 1885 | Chautauqua Literary and Scientific Circle | Essays & miscellany | English | July 6, 2017 | 490.2K | 55061 |
| The Chautauquan, Vol. 05, February 1885 | Chautauqua Literary and Scientific Circle | Essays & miscellany | English | July 5, 2017 | 513.6K | 55053 |
| The Chautauquan, Vol. 05, June 1885, No. 9 | Chautauqua Literary and Scientific Circle | Essays & miscellany | English | August 20, 2017 | 474.4K | 55394 |
| The Chief End of Man | George Spring Merriam | Essays & miscellany | English | August 22, 2007 | 455.5K | 22371 |
| The Child and the Curriculum | John Dewey | Modern & 20th century | English | June 28, 2009 | 62.9K | 29259 |
| The Child of the Dawn | Arthur Christopher Benson | Religion & theology | English | May 31, 2005 | 384.1K | 15964 |
| The Chinese Classics — Prolegomena | — | Eastern & classical | English | December 1, 2001 | 348.6K | 2941 |
| The Chinese Classics — Volume 1: Confucian Analects | James Legge | Eastern & classical | English, Chinese | May 1, 2003 | 264.6K | 4094 |
| The Chinese Classics: with a translation, critical and exegetical notes, prolegomena and copious indexes | James Legge | Eastern & classical | English, Chinese | February 1, 2002 | 341.9K | 3100 |
| The Christ Myth | Arthur Drews | Religion & theology | English | April 30, 2014 | 559.8K | 45540 |
| The Christ: A Critical Review and Analysis of the Evidences of His Existence | John E. Remsburg | Religion & theology | English | September 28, 2014 | 747.0K | 46986 |
| The Christian Creed; or, What it is Blasphemy to Deny | Annie Besant | Religion & theology | English | March 12, 2012 | 127.2K | 39118 |
| The Christian Doctrine of Hell | J. M. Wheeler | Religion & theology | English | July 11, 2012 | 48.7K | 40207 |
| The Christian Faith Under Modern Searchlights | William Hallock Johnson | Modern & 20th century | English | June 22, 2012 | 366.0K | 40060 |
| The Christian Foundation, Or, Scientific and Religious Journal, April, 1880 | Various | Religion & theology | English | February 19, 2009 | 102.8K | 28126 |
| The Christian Foundation, Or, Scientific and Religious Journal, February, 1880 | Various | Religion & theology | English | February 13, 2009 | 105.3K | 28066 |
| The Christian Foundation, Or, Scientific and Religious Journal, March, 1880 | Various | Religion & theology | English | February 14, 2009 | 102.6K | 28075 |
| The Christian Foundation, Or, Scientific and Religious Journal, May, 1880 | Various | Religion & theology | English | March 9, 2009 | 104.6K | 28297 |
| The Christian Foundation, Or, Scientific and Religious Journal, Volume 1, Index, 1880 | Various | Religion & theology | English | May 7, 2009 | 29.8K | 28710 |
| The Christian Foundation, Or, Scientific and Religious Journal, Volume 1, January, 1880 | Various | Religion & theology | English | August 12, 2008 | 102.4K | 26278 |
| The Christian Foundation, Or, Scientific and Religious Journal, Volume I, No. 7, July, 1880 | Various | Religion & theology | English | May 3, 2009 | 102.6K | 28668 |
| The Christian Foundation, Or, Scientific and Religious Journal, Volume I, No. 9. September, 1880 | Various | Religion & theology | English | May 3, 2009 | 100.2K | 28672 |
| The Christian Religion: An Enquiry | Robert Green Ingersoll | Religion & theology | English | November 22, 2011 | 72.2K | 38093 |
| The Church Rate: A Dialogue Between a Churchman and a Dissenter | B. Richings | Religion & theology | English | May 3, 2020 | 42.9K | 62004 |
| The Church, the Schools and Evolution | J. E. Conant | Religion & theology | English | September 28, 2009 | 157.0K | 30126 |
| The Churches and Modern Thought | Vivian Phelips | Religion & theology | English | March 2, 2014 | 773.9K | 45053 |
| The City of God, Volume I | Saint of Hippo Augustine | Medieval & scholastic | English | April 8, 2014 | 1.3M | 45304 |
| The City of God, Volume II | Saint of Hippo Augustine | Medieval & scholastic | English | April 8, 2014 | 1.4M | 45305 |
| The City of the Sun | Tommaso Campanella | Essays & miscellany | English | September 1, 2001 | 111.8K | 2816 |
| The collected works of William Hazlitt, Vol. 04 (of 12) | William Hazlitt | Modern & 20th century | English | April 6, 2020 | 1.2M | 61763 |
| The collected works of William Hazlitt, Vol. 11 (of 12) | William Hazlitt | Modern & 20th century | English | November 19, 2023 | 1.7M | 72168 |
| The Commonwealth of Oceana | James Harrington | Modern & 20th century | English | September 1, 2001 | 656.9K | 2801 |
| The Communist Manifesto | Karl Marx | 19th century | English | January 25, 2005 | 92.1K | 61 |
| The Compleat Angler | Izaak Walton | Essays & miscellany | English | October 1, 1996 | 364.3K | 683 |
| The Complex Vision | John Cowper Powys | Essays & miscellany | English | June 3, 2007 | 731.3K | 21668 |
| The Concept of Nature | Alfred North Whitehead | Modern & 20th century | English | July 16, 2006 | 374.4K | 18835 |
| The Confessions of Al Ghazzali | Ghazzali | Essays & miscellany | English | February 27, 2019 | 100.8K | 58977 |
| The Confessions of Jean Jacques Rousseau — Complete | Jean-Jacques Rousseau | Early modern & Enlightenment | English | August 15, 2004 | 1.5M | 3913 |
| The Confessions of Jean Jacques Rousseau — Volume 01 | Jean-Jacques Rousseau | Early modern & Enlightenment | English | December 6, 2004 | 122.0K | 3901 |
| The Confessions of Jean Jacques Rousseau — Volume 02 | Jean-Jacques Rousseau | Early modern & Enlightenment | English | December 6, 2004 | 115.0K | 3902 |
| The Confessions of Jean Jacques Rousseau — Volume 03 | Jean-Jacques Rousseau | Early modern & Enlightenment | English | December 6, 2004 | 112.4K | 3903 |
| The Confessions of Jean Jacques Rousseau — Volume 05 | Jean-Jacques Rousseau | Early modern & Enlightenment | English | December 6, 2004 | 136.2K | 3905 |
| The Confessions of Jean Jacques Rousseau — Volume 06 | Jean-Jacques Rousseau | Early modern & Enlightenment | English | December 6, 2004 | 131.0K | 3906 |
| The Confessions of Jean Jacques Rousseau — Volume 07 | Jean-Jacques Rousseau | Early modern & Enlightenment | English | December 6, 2004 | 198.8K | 3907 |
| The Confessions of Jean Jacques Rousseau — Volume 09 | Jean-Jacques Rousseau | Early modern & Enlightenment | English | December 6, 2004 | 226.9K | 3909 |
| The Confessions of St. Augustine | Saint of Hippo Augustine | Medieval & scholastic | English | June 1, 2002 | 617.4K | 3296 |
| The Conflict with Slavery | John Greenleaf Whittier | Conduct, society & education | English | December 1, 2005 | 293.6K | 9595 |
| The Conquest of Bread | kniaz Petr Alekseevich Kropotkin | Essays & miscellany | English | November 9, 2007 | 448.4K | 23428 |
| The Conquest of Fear | Basil King | Essays & miscellany | English | February 1, 2006 | 292.6K | 9944 |
| The Conservation of Races | W. E. B. Du Bois | Essays & miscellany | English | February 11, 2010 | 46.9K | 31254 |
| The Consolation of Philosophy | — | Essays & miscellany | English | — | 249.9K | 14328 |
| The Contemporary Review, Volume 36, November 1879 | Various | Essays & miscellany | English | April 23, 2012 | 548.2K | 39517 |
| The Contest in America | John Stuart Mill | 19th century | English | February 1, 2004 | 63.2K | 5123 |
| The Creation of God | Jacob Hartmann | 19th century | English | June 1, 2019 | 772.6K | 59651 |
| The Creative Process in the Individual | — | Essays & miscellany | English | — | 212.6K | 10361 |
| The Creator, and what we may know of the method of creation | W. H. Dallinger | Essays & miscellany | English | February 23, 2023 | 173.9K | 70115 |
| The Crest-Wave of Evolution | — | Essays & miscellany | English | — | 1.3M | 14587 |
| The Criticism of the Fourth Gospel | W. Sanday | Religion & theology | English | October 22, 2019 | 449.0K | 60553 |
| The Critique of Practical Reason | Immanuel Kant | Early modern & Enlightenment | English | May 1, 2004 | 388.3K | 5683 |
| The Critique of Pure Reason | Immanuel Kant | Early modern & Enlightenment | English | July 1, 2003 | 1.3M | 4280 |
| The Cross and Crown | T. D. Curtis | Essays & miscellany | English | May 7, 2013 | 65.8K | 42656 |
| The Crown of Wild Olive | John Ruskin | Essays & miscellany | English | September 28, 2008 | 1.7M | 26716 |
| The cult of incompetence | Émile Faguet | Essays & miscellany | English | November 30, 2008 | 291.7K | 27368 |
| The Curtezan unmasked; or, The Whoredomes of Jezebel Painted to the Life | Anonymous | Essays & miscellany | English | September 16, 2010 | 61.2K | 33737 |
| The Dabistán, or School of manners, Volume 1 (of 3) | — | Conduct, society & education | English | September 23, 2020 | 912.3K | 63275 |
| The Dabistán, or School of manners, Volume 2 (of 3) | — | Conduct, society & education | English | September 23, 2020 | 765.7K | 63276 |
| The Damsel and the Sage: A Woman's Whimsies | Elinor Glyn | Essays & miscellany | English | March 1, 2007 | 59.9K | 20718 |
| The Dance of Life | Havelock Ellis | Essays & miscellany | English | June 27, 2021 | 676.5K | 65714 |
| The Dances of Death | — | Essays & miscellany | English | February 2, 2019 | 69.0K | 58808 |
| The Darwinian Hypothesis | Thomas Henry Huxley | Essays & miscellany | English | November 1, 2001 | 50.3K | 2927 |
| The Dawn of Day | Friedrich Wilhelm Nietzsche | 19th century | English | June 9, 2012 | 582.1K | 39955 |
| The Day After Death; Or, Our Future Life According to Science (New Edition) | Louis Figuier | Essays & miscellany | English | July 30, 2017 | 496.0K | 55230 |
| The decay and the restoration of civilization | Albert Schweitzer | Essays & miscellany | English | April 25, 2025 | 169.9K | 75958 |
| The Declaration of Independence of the United States of America | Thomas Jefferson | Essays & miscellany | English | December 1, 1971 | 30.1K | 1 |
| The decline of the West, Volume 1 | Oswald Spengler | Essays & miscellany | English | December 6, 2023 | 1.5M | 72344 |
| The Deipnosophists; or, Banquet of the Learned of Athenæus, Vol. 2 (of 3) | of Naucratis Athenaeus | Essays & miscellany | English | April 7, 2021 | 885.4K | 65023 |
| The Deipnosophists; or, Banquet of the Learned of Athenæus, Vol. 3 (of 3) | of Naucratis Athenaeus | Essays & miscellany | English | October 10, 2021 | 1.0M | 66508 |
| The Destinies of the Stars | Svante Arrhenius | Essays & miscellany | English | November 2, 2018 | 310.1K | 58222 |
| The Destiny of Man | John Fiske | Essays & miscellany | English | December 6, 2005 | 128.9K | 17239 |
| The Destiny of the Soul | William Rounseville Alger | Modern & 20th century | English | August 19, 2006 | 2.3M | 19082 |
| The dialogues of Plato in five volumes, Vol. 2 (of 5) | Plato | Ancient & classical | English | July 8, 2025 | 1.3M | 76464 |
| The Diamond Sutra (Chin-Kang-Ching) or Prajna-Paramita | Unknown | Essays & miscellany | English | February 25, 2021 | 207.9K | 64623 |
| The disciple | Paul Bourget | Essays & miscellany | English | May 16, 2024 | 462.9K | 73638 |
| The Discipline of War | John Hasloch Potter | Essays & miscellany | English | November 1, 2005 | 133.0K | 16979 |
| The Discoverie of Witchcraft | Reginald Scot | Essays & miscellany | English | November 22, 2019 | 1.8M | 60766 |
| The Discovery of a World in the Moone | John Wilkins | Essays & miscellany | English | August 23, 2006 | 222.3K | 19103 |
| The Discovery of the Future | H. G. Wells | Essays & miscellany | English | February 10, 2014 | 73.9K | 44867 |
| The displaying of supposed witchcraft | John Webster | Essays & miscellany | English | January 7, 2024 | 1.1M | 72654 |
| The Divided Sabbath | William Jowett | Modern & 20th century | English | May 23, 2020 | 36.8K | 62203 |
| The Diwan of Abu'l-Ala | — | Essays & miscellany | English | — | 60.5K | 13086 |
| The doctor, &c., vol. 6 (of 7) | Robert Southey | Essays & miscellany | English | December 29, 2023 | 435.6K | 72540 |
| The doctor, &c., vol. 7 (of 7) | Robert Southey | Essays & miscellany | English | April 26, 2024 | 711.4K | 73470 |
| The Doctor's Dilemma: Preface on Doctors | Bernard Shaw | Essays & miscellany | English | February 1, 2004 | 182.8K | 5069 |
| The Doctrine and Practice of Yoga | — | Eastern & classical | English | — | 175.9K | 13300 |
| The Doré Lectures | — | Essays & miscellany | English | — | 153.5K | 1398 |
| The Double Search: Studies in Atonement and Prayer | Rufus M. Jones | Religion & theology | English | April 7, 2020 | 107.5K | 61771 |
| The Doubts of Infidels | William Nicholson | Modern & 20th century | English | October 8, 2012 | 72.7K | 40981 |
| The Drama of Love and Death: A Study of Human Evolution and Transfiguration | Edward Carpenter | Essays & miscellany | English | February 12, 2014 | 442.5K | 44883 |
| The Dream-God, or, A Singular Evolvement of Thought in Sleep | John Cuningham | Religion & theology | English | August 8, 2021 | 71.2K | 66009 |
| The Eagle's Nest | John Ruskin | Essays & miscellany | English | June 11, 2013 | 376.1K | 42917 |
| The Eclipse of Faith | Henry Rogers | Religion & theology | English | October 13, 2005 | 829.2K | 16866 |
| The Economist | — | Essays & miscellany | English | — | 211.1K | 1173 |
| The Edinburgh Lectures on Mental Science | — | Essays & miscellany | English | — | 174.2K | 10390 |
| The Education of Children | Desiderius Erasmus | Conduct, society & education | English | March 16, 2009 | 162.8K | 28338 |
| The Education of Children from the Standpoint of Theosophy | Rudolf Steiner | Religion & theology | English | September 20, 2017 | 96.5K | 55586 |
| The Education of the Child | Ellen Key | Conduct, society & education | English | July 1, 1997 | 125.0K | 988 |
| The Ego and His Own | Max Stirner | 19th century | English | December 5, 2010 | 867.1K | 34580 |
| The Eliminator; or, Skeleton Keys to Sacerdotal Secrets | — | Essays & miscellany | English | March 25, 2012 | 684.1K | 39268 |
| The Elixir of Life | — | Essays & miscellany | English | — | 52.6K | 1215 |
| The Empire of Love | W. J. Dawson | Essays & miscellany | English | August 28, 2006 | 157.2K | 19134 |
| The Enchiridion | Epictetus | Ancient & classical | English | March 10, 2014 | 89.5K | 45109 |
| The English works of Thomas Hobbes of Malmesbury, Volume 01 (of 11) | Thomas Hobbes | Early modern & Enlightenment | English | June 20, 2024 | 946.9K | 73877 |
| The English works of Thomas Hobbes of Malmesbury, Volume 02 (of 11) | Thomas Hobbes | Early modern & Enlightenment | English | June 24, 2024 | 624.8K | 73906 |
| The English works of Thomas Hobbes of Malmesbury, Volume 03 (of 11) | Thomas Hobbes | Early modern & Enlightenment | English | July 1, 2024 | 1.2M | 73957 |
| The English works of Thomas Hobbes of Malmesbury, Volume 04 (of 11) | Thomas Hobbes | Early modern & Enlightenment | English | August 12, 2024 | 793.5K | 74236 |
| The Enjoyment of Art | Carleton Eldredge Noyes | Essays & miscellany | English | November 7, 2008 | 111.1K | 27194 |
| The epistle of Othea to Hector; or, The boke of knyghthode | de Pisan Christine | Religion & theology | English | October 25, 2019 | 362.8K | 60567 |
| The Essays of Adam Smith | Adam Smith | Essays & miscellany | English | December 28, 2018 | 1.4M | 58559 |
| The Essays of Arthur Schopenhauer; On Human Nature | — | 19th century | English | — | 182.1K | 10739 |
| The Essays of Arthur Schopenhauer; Religion, a Dialogue, Etc | — | 19th century | English | — | 168.6K | 10833 |
| The Essays of Arthur Schopenhauer; Studies in Pessimism | — | 19th century | English | — | 171.3K | 10732 |
| The Essays of Arthur Schopenhauer; the Art of Controversy | — | 19th century | English | — | 168.7K | 10731 |
| The Essays of Arthur Schopenhauer; The Art of Literature | — | 19th century | English | — | 209.1K | 10714 |
| The Essence of Buddhism | Various | Eastern & classical | English | April 21, 2006 | 89.4K | 18223 |
| The Essence of Christianity | Ludwig Feuerbach | 19th century | English | October 2, 2014 | 890.1K | 47025 |
| The Essentials of Logic, Being Ten Lectures on Judgment and Inference | Bernard Bosanquet | Essays & miscellany | English | November 2, 2020 | 304.4K | 63598 |
| The Essentials of Spirituality | Felix Adler | Modern & 20th century | English | June 30, 2007 | 117.3K | 21981 |
| The Eulogies of Howard- A Vision | — | Essays & miscellany | English | — | 63.7K | 10010 |
| The Everlasting Man | G. K. Chesterton | Essays & miscellany | English | June 24, 2021 | 610.9K | 65688 |
| The Evidence in the Case | James M. Beck | Modern & 20th century | English | March 1, 2010 | 443.1K | 31457 |
| The Evolution of Love | Emil Lucka | Essays & miscellany | English | February 7, 2006 | 565.4K | 17699 |
| The Evolution of Man Scientifically Disproved in 50 Arguments | William A. Williams | Modern & 20th century | English | July 1, 2005 | 307.0K | 8508 |
| The Evolution of the Idea of God: An Inquiry Into the Origins of Religions | Grant Allen | Religion & theology | English | July 25, 2018 | 891.8K | 57581 |
| The Exiles of Florida | Joshua R. Giddings | Essays & miscellany | English | November 7, 2012 | 721.1K | 41316 |
| The Existence and Attributes of God, Volumes 1 and 2 | Stephen Charnock | Religion & theology | English | November 14, 2016 | 3.8M | 53527 |
| The Existence of God | Francois de Salignac de La Mothe- Fenelon | Religion & theology | English | February 11, 2004 | 245.6K | 11044 |
| The Faith of the Millions (2nd series) | — | Religion & theology | English | — | 478.2K | 10139 |
| The Fallen Star, or, the History of a False Religion by E.L. Bulwer; And, A Dissertation on the Origin of Evil by Lord Brougham | Baron Edward Bulwer Lytton Lytton | Religion & theology | English | August 1, 2005 | 188.6K | 8654 |
| The false assumptions of "democracy" | Anthony M. Ludovici | Essays & miscellany | English | September 11, 2025 | 362.6K | 76859 |
| The Feast of St. Friend | — | Essays & miscellany | English | — | 68.0K | 14653 |
| The First Blast of the Trumpet against the monstrous regiment of Women | John Knox | Conduct, society & education | English | January 1, 2006 | 182.7K | 9660 |
| The first essay on the political rights of women | marquis de Jean-Antoine-Nicolas de Caritat Condorcet | Conduct, society & education | English | March 8, 2010 | 43.8K | 31550 |
| The Following of Christ, in Four Books | à Kempis Thomas | Religion & theology | English | September 29, 2019 | 379.3K | 60377 |
| The Footpath Way: An Anthology for Walkers | — | Essays & miscellany | English | June 25, 2019 | 307.6K | 59813 |
| The Forerunner, His Parables and Poems | Kahlil Gibran | Essays & miscellany | English | April 20, 2017 | 59.9K | 54580 |
| The Forest Giant | Adrien Le Corbeau | Essays & miscellany | English | April 25, 2021 | 165.6K | 65161 |
| The Forgotten Threshold- A Journal of Arthur Middleton | — | Essays & miscellany | English | — | 55.4K | 13138 |
| The Foundations of Science: Science and Hypothesis, The Value of Science, Science and Method | Henri Poincaré | Essays & miscellany | English | May 16, 2012 | 1.1M | 39713 |
| The Foundations of the Origin of Species | Charles Darwin | Essays & miscellany | English | September 22, 2007 | 577.2K | 22728 |
| The Fourth Dimension | Charles Howard Hinton | Essays & miscellany | English | January 13, 2022 | 449.3K | 67153 |
| The Fourth-Dimensional Reaches of the Exposition- San Francisco, 1915 | — | Essays & miscellany | English | — | 27.2K | 12010 |
| The Freedom of Life | Annie Payson Call | Essays & miscellany | English | August 1, 2003 | 195.8K | 4338 |
| The Frugal Life: A Paradox | Ortensio Landi | Essays & miscellany | English | May 12, 2022 | 36.0K | 68053 |
| The Future in America: A Search After Realities | H. G. Wells | Essays & miscellany | English | February 2, 2018 | 377.5K | 56484 |
| The future of an illusion | Sigmund Freud | Modern & 20th century | English | August 31, 2025 | 129.7K | 76774 |
| The game of life and how to play it | Florence Scovel Shinn | Essays & miscellany | English | December 11, 2024 | 142.8K | 74878 |
| The Gate of Appreciation: Studies in the Relation of Art to Life | Carleton Eldredge Noyes | Essays & miscellany | English | November 7, 2008 | 315.6K | 27183 |
| The German Classics of the Nineteenth and Twentieth Centuries, Volume 05 | — | Modern & 20th century | English | — | 931.3K | 12888 |
| The German Classics of the Nineteenth and Twentieth Centuries, Volume 07 | — | Modern & 20th century | English | — | 944.7K | 12351 |
| The Ghosts, and Other Lectures | Robert Green Ingersoll | Essays & miscellany | English | October 6, 2009 | 278.7K | 30208 |
| The Gnôsis of the Light | F. Lamplugh | Essays & miscellany | English | December 29, 2009 | 140.6K | 30799 |
| The Gnostic Crucifixion | G. R. S. Mead | Essays & miscellany | English | April 1, 2011 | 88.7K | 35735 |
| The Gods | Robert Green Ingersoll | Essays & miscellany | English | November 22, 2011 | 114.0K | 38107 |
| The Golden Age Cook Book | Henrietta Latham Dwight | Essays & miscellany | English | August 7, 2008 | 308.8K | 26209 |
| The Golden Bough: A Study in Magic and Religion (Third Edition, Vol. 09 of 12) | James George Frazer | Modern & 20th century | English | May 7, 2013 | 1.2M | 42661 |
| The Golden Calf, Which the World Adores, and Desires | — | Essays & miscellany | English | — | 94.1K | 14641 |
| The golden verses of Pythagoras | Antoine Fabre d'Olivet | Ancient & classical | English | October 17, 2022 | 604.9K | 69174 |
| The Gospel of Buddha, Compiled from Ancient Records | Paul Carus | Eastern & classical | English | April 17, 2011 | 581.9K | 35895 |
| The Gospel of Evolution | Edward B. Aveling | Religion & theology | English | May 29, 2011 | 51.7K | 36270 |
| The Gospel of the Hereafter | J. Paterson Smyth | Religion & theology | English | June 17, 2008 | 255.0K | 25826 |
| The Government of God | John Taylor | Religion & theology | English | February 17, 2014 | 295.6K | 44941 |
| The Grand Inquisitor | Fyodor Dostoyevsky | Essays & miscellany | English | July 1, 2005 | 73.6K | 8578 |
| The Great Discovery | Norman Maclean | Essays & miscellany | English | September 4, 2010 | 142.0K | 33635 |
| The Great Doctrines of the Bible | William Evans | Modern & 20th century | English | July 1, 2004 | 474.7K | 6038 |
| The Great Implication | Stanley R. Lee | Essays & miscellany | English | March 22, 2024 | 48.2K | 73231 |
| The Greek Philosophers, Vol. 1 (of 2) | Alfred William Benn | Ancient & classical | English | May 10, 2018 | 896.4K | 57126 |
| The Greek Philosophers, Vol. 2 (of 2) | Alfred William Benn | Ancient & classical | English | November 3, 2018 | 934.9K | 58224 |
| The Greek View of Life | G. Lowes Dickinson | Ancient & classical | English | July 1, 2004 | 416.8K | 6200 |
| The Grounds of Christianity Examined by Comparing The New Testament with the Old | George Bethune English | Religion & theology | English | June 1, 2005 | 458.4K | 15968 |
| The Growth of Thought | William Withington | Modern & 20th century | English | April 18, 2006 | 114.2K | 18202 |
| The guide for the perplexed | Moses Maimonides | Medieval & scholastic | English | May 9, 2024 | 1.5M | 73584 |
| The Hall of Fantasy (From "Mosses from an Old Manse") | Nathaniel Hawthorne | Essays & miscellany | English | November 1, 2005 | 45.2K | 9226 |
| The Hand Phrenologically Considered | Anonymous | Essays & miscellany | English | February 29, 2016 | 104.4K | 51328 |
| The Harvest of Ruskin | John W. Graham | Essays & miscellany | English | April 20, 2016 | 332.1K | 51808 |
| The Heart of Nature; or, The Quest for Natural Beauty | Sir Francis Edward Younghusband | Essays & miscellany | English | November 9, 2008 | 397.0K | 27213 |
| The Heart of the New Thought | Ella Wheeler Wilcox | Modern & 20th century | English | October 14, 2009 | 118.1K | 30256 |
| The Heart's Domain | Georges Duhamel | Essays & miscellany | English | October 18, 2021 | 273.7K | 66564 |
| The Hearts of Men | H. Fielding | Essays & miscellany | English | July 17, 2011 | 394.4K | 36772 |
| The Heavenly Father | Ernest Naville | Essays & miscellany | English | April 14, 2006 | 479.7K | 18168 |
| The hell bomb | William L. Laurence | Modern & 20th century | English | January 29, 2025 | 296.8K | 75243 |
| The Hero in Man | George William Russell | Modern & 20th century | English | August 31, 2011 | 51.9K | 36912 |
| The Heroic Enthusiast, Part II (Gli Eroici Furori) | Giordano Bruno | Essays & miscellany | English | November 16, 2006 | 177.3K | 19833 |
| The Heroic Enthusiasts,(1 of 2) (Gli Eroici Furori) | Giordano Bruno | Essays & miscellany | English | November 15, 2006 | 226.0K | 19817 |
| The Hidden Power, and Other Papers upon Mental Science | T. Troward | Essays & miscellany | English | May 29, 2008 | 321.6K | 25638 |
| The Higher Powers of Mind and Spirit | Ralph Waldo Trine | Religion & theology | English | February 23, 2009 | 349.2K | 28163 |
| The History of Creation, Vol. 1 (of 2) | Ernst Haeckel | Essays & miscellany | English | August 14, 2012 | 699.3K | 40472 |
| The History of Freedom, and Other Essays | Baron John Emerich Edward Dalberg Acton Acton | Essays & miscellany | English | February 15, 2010 | 1.5M | 31278 |
| The history of magic | Éliphas Lévi | Essays & miscellany | English | February 13, 2023 | 1.1M | 70033 |
| The History of Philosophy in Islam | T. J. de Boer | Religion & theology | English | October 17, 2021 | 391.2K | 66566 |
| The History of the Devil, As Well Ancient as Modern: In Two Parts | Daniel Defoe | Essays & miscellany | English | January 23, 2010 | 723.8K | 31053 |
| The History of the Last Trial by Jury for Atheism in England | George Jacob Holyoake | Religion & theology | English | July 20, 2011 | 297.7K | 36799 |
| The Hive | Will Levington Comfort | Essays & miscellany | English | November 17, 2013 | 415.3K | 44208 |
| The Holy Earth | L. H. Bailey | Religion & theology | English | July 15, 2010 | 233.2K | 33178 |
| The Hospital Bulletin, Vol. V, No. 2, April 15, 1909 | Various | Essays & miscellany | English | December 29, 2016 | 115.0K | 53827 |
| The Hour Glass | W. B. Yeats | Essays & miscellany | English | February 1, 2005 | 43.3K | 7448 |
| The Human Aura: Astral Colors and Thought Forms | William Walker Atkinson | Modern & 20th century | English | September 23, 2007 | 115.1K | 22739 |
| The Human Drift | Jack London | Essays & miscellany | English | April 27, 2005 | 199.0K | 1669 |
| The Human Machine | — | Essays & miscellany | English | — | 126.3K | 12811 |
| The Human Side of Animals | Royal Dixon | Essays & miscellany | English | November 17, 2006 | 354.3K | 19850 |
| The Idea of a University Defined and Illustrated | John Henry Newman | Religion & theology | English | February 5, 2008 | 939.0K | 24526 |
| The Idea of God as Affected by Modern Knowledge | John Fiske | Religion & theology | English | August 1, 2014 | 196.3K | 46476 |
| The Idea of Progress: An Inquiry into Its Origin and Growth | J. B. Bury | Essays & miscellany | English | October 1, 2003 | 612.8K | 4557 |
| The Ignatian Epistles Entirely Spurious: A Reply to the Right Rev. Dr. Lightfoot | W. D. Killen | Essays & miscellany | English | September 1, 2005 | 160.4K | 8908 |
| The Illustrated Key to the Tarot: The Veil of Divination | L. W. De Laurence | Essays & miscellany | English | August 24, 2013 | 239.1K | 43548 |
| The Imitation of Christ | Thomas à Kempis | Religion & theology | English | February, 1999 | 366.0K | 1653 |
| The Impossibilities of Anarchism | Bernard Shaw | Essays & miscellany | English | May 30, 2014 | 105.4K | 45827 |
| The Improvement of Human Reason | Ibn Tufail | Essays & miscellany | English | October 8, 2005 | 276.6K | 16831 |
| The Incarnate Purpose: Essays on the Spiritual Unity of Life | G. H. Percival | Religion & theology | English | December 23, 2014 | 306.6K | 47747 |
| The inequality of human races | comte de Arthur Gobineau | 19th century | English | January 9, 2023 | 514.3K | 69751 |
| The Inevitable Crimes of Celibacy | Thomas E. Watson | Essays & miscellany | English | November 23, 2017 | 98.5K | 56041 |
| The Inferno | — | Essays & miscellany | English | — | 229.4K | 12414 |
| The Influence of Darwin on Philosophy, and other essays in contemporary thought | John Dewey | Modern & 20th century | English | March 22, 2016 | 450.8K | 51525 |
| The Initiates of the Flame | Manly P. Hall | Essays & miscellany | English | October 6, 2017 | 96.3K | 55687 |
| The Inner Beauty | Maurice Maeterlinck | Essays & miscellany | English | January 10, 2011 | 64.4K | 34910 |
| The Inner Consciousness: How to Awaken and Direct It | Swami Prakashananda | Essays & miscellany | English | November 8, 2012 | 53.5K | 41319 |
| The Inner Life | Rufus M. Jones | Essays & miscellany | English | January 2, 2020 | 216.6K | 61078 |
| The Inner Life | John Greenleaf Whittier | Essays & miscellany | English | December 1, 2005 | 195.9K | 9597 |
| The instinct of workmanship, and the state of industrial arts | Thorstein Veblen | Essays & miscellany | English | January 28, 2023 | 661.5K | 69888 |
| The Instruction of Ptah-Hotep and the Instruction of Ke'Gemni | Ptahhotep | Essays & miscellany | English | November 20, 2009 | 105.6K | 30508 |
| The Intellectual Life | Philip Gilbert Hamerton | Essays & miscellany | English | April 27, 2010 | 834.9K | 32151 |
| The Intelligence of Woman | Walter Lionel George | Essays & miscellany | English | May 22, 2010 | 314.0K | 32479 |
| The Interpreters of Genesis and the Interpreters of Nature | Thomas Henry Huxley | Essays & miscellany | English | May 1, 2001 | 54.5K | 2630 |
| The Introduction to Hegel's Philosophy of Fine Arts | Georg Wilhelm Friedrich Hegel | 19th century | English | July 20, 2014 | 477.8K | 46330 |
| The Investment of Influence | Newell Dwight Hillis | Essays & miscellany | English | December 10, 2005 | 350.9K | 17274 |
| The Itching Palm: A Study of the Habit of Tipping in America | William R. Scott | Modern & 20th century | English | July 15, 2010 | 195.6K | 33170 |
| The Japanese Spirit | Yoshisaburo Okakura | Eastern & classical | English | November 16, 2010 | 148.0K | 34341 |
| The Jericho Road | — | Essays & miscellany | English | — | 262.7K | 13816 |
| The Journal of Leo Tolstoi (First Volume—1895-1899) | graf Leo Tolstoy | Essays & miscellany | English | July 13, 2014 | 604.5K | 46272 |
| The journal of Montaigne's travels in Italy by way of Switzerland and Germany in 1580 and 1581, Volume 1 (of 3) | Michel de Montaigne | Early modern & Enlightenment | English | May 23, 2023 | 223.3K | 70838 |
| The Journal of Speculative Philosophy, Vol. I, Nos. 1-4, 1867 | Various | Essays & miscellany | English | April 17, 2021 | 1.1M | 65097 |
| The Joyful Heart | Robert Haven Schauffler | Essays & miscellany | English | November 2, 2006 | 256.9K | 19696 |
| The Kabbalah: its doctrines, development, and literature | Christian D. Ginsburg | Religion & theology | English | October 26, 2022 | 356.5K | 69243 |
| The Kama Sutra of Vatsyayana | Vatsyayana | Essays & miscellany | English | January 18, 2009 | 351.0K | 27827 |
| The Kasîdah of Hâjî Abdû El-Yezdî | Sir Richard Francis Burton | Essays & miscellany | English | July 1, 2004 | 126.7K | 6036 |
| The Kernel and the Husk: Letters on Spiritual Christianity | Edwin Abbott Abbott | Religion & theology | English | October 20, 2020 | 711.4K | 63510 |
| The Key to Theosophy | H. P. Blavatsky | Religion & theology | English | September 24, 2017 | 586.4K | 55618 |
| The King's Mirror (Speculum regale-Konungs skuggsjá) | — | Essays & miscellany | English | January 29, 2020 | 689.9K | 61264 |
| The Kingdom of God is Within You / Christianity and Patriotism / Miscellanies | graf Leo Tolstoy | Religion & theology | English | August 1, 2013 | 971.5K | 43372 |
| The Kingdom of God is Within You; What is Art? | graf Leo Tolstoy | Religion & theology | English | August 7, 2013 | 1.1M | 43409 |
| The kiss and its history | Kristoffer Nyrop | Essays & miscellany | English | April 24, 2016 | 214.5K | 51856 |
| The Knickerbocker, or New-York Monthly Magazine, March 1844 | Various | Essays & miscellany | English | January 25, 2007 | 375.8K | 20444 |
| The Kybalion | — | Essays & miscellany | English | — | 199.5K | 14209 |
| The last age of the church | John Wycliffe | Religion & theology | English | March 10, 2023 | 94.5K | 70258 |
| The Last Christmas Tree: An Idyl of Immortality | James Lane Allen | Modern & 20th century | English | May 3, 2013 | 43.2K | 42640 |
| The Last Harvest | John Burroughs | Essays & miscellany | English | July 25, 2006 | 419.9K | 18903 |
| The Law | Frédéric Bastiat | Essays & miscellany | English | January 30, 2014 | 132.5K | 44800 |
| The Law and the Word | Thomas Troward | Essays & miscellany | English | April 6, 2005 | 270.0K | 15568 |
| The Law of Civilization and Decay: An Essay on History | Brooks Adams | Essays & miscellany | English | February 14, 2014 | 686.8K | 44908 |
| The Law of Psychic Phenomena | Thomson Jay Hudson | Religion & theology | English | May 5, 2017 | 849.9K | 54665 |
| The Lectures on Faith | Jr. Joseph Smith | Religion & theology | English | March 5, 2018 | 150.2K | 56684 |
| The Legacy of Greece | — | Essays & miscellany | English | August 6, 2007 | 873.8K | 22259 |
| The Legacy of Ignorantism | T. H. Pardo de Tavera | Essays & miscellany | English | January 21, 2009 | 102.2K | 27863 |
| The Letters of William James, Vol. 2 | William James | Modern & 20th century | English | November 22, 2011 | 732.1K | 38091 |
| The Life and Death of Mr Badman | John Bunyan | Essays & miscellany | English | February 9, 2013 | 427.4K | 1986 |
| The life of Friedrich Nietzsche | Daniel Halévy | 19th century | English | November 28, 2016 | 661.8K | 53620 |
| The Life of Jesus Critically Examined | David Friedrich Strauss | Religion & theology | English | December 13, 2020 | 2.9M | 64037 |
| The Life of John Ruskin | — | Essays & miscellany | English | — | 581.4K | 13076 |
| The Life of Reason | George Santayana | Modern & 20th century | English | February 14, 2005 | 1.9M | 15000 |
| The Life of the Bee | Maurice Maeterlinck | Essays & miscellany | English | October 1, 2003 | 363.8K | 4511 |
| The Life of the Spirit and the Life of To-day | Evelyn Underhill | Religion & theology | English | February 16, 2005 | 478.0K | 15082 |
| The Life Radiant | Lilian Whiting | Essays & miscellany | English | December 11, 2007 | 449.9K | 23820 |
| The Lights of the Church and the Light of Science | Thomas Henry Huxley | Religion & theology | English | May 1, 2001 | 74.7K | 2632 |
| The Limits of Atheism; Or, Why Should Sceptics Be Outlaws? | George Jacob Holyoake | Religion & theology | English | July 20, 2011 | 60.7K | 36798 |
| The Literary Remains of Samuel Taylor Coleridge, Volume 3 | Samuel Taylor Coleridge | Essays & miscellany | English | September 1, 2005 | 622.4K | 8956 |
| The Literary Remains of Samuel Taylor Coleridge, Volume 4 | — | Essays & miscellany | English | — | 644.7K | 10801 |
| The Lives and Opinions of Eminent Philosophers | Diogenes Laertius | Ancient & classical | English | June 16, 2018 | 1.1M | 57342 |
| The Logic of Chance, 3rd edition | John Venn | Essays & miscellany | English | June 19, 2018 | 994.9K | 57359 |
| The Logic of Hegel | Georg Wilhelm Friedrich Hegel | 19th century | English | July 13, 2017 | 916.3K | 55108 |
| The Logic of Vegetarianism: Essays and Dialogues | Henry S. Salt | Essays & miscellany | English | September 12, 2015 | 254.3K | 49949 |
| The Lost Faith, and Difficulties of the Bible, as Tested by the Laws of Evidence | Thomas S. Childs | Religion & theology | English | July 27, 2013 | 95.7K | 43328 |
| The Love of Books: The Philobiblon of Richard de Bury | Richard de Bury | Essays & miscellany | English | August 1, 1996 | 160.9K | 626 |
| The Luzumiyat of Abu'l-Ala | Abu al-Ala al-Maarri | Essays & miscellany | English | November 14, 2015 | 87.4K | 50457 |
| The Magic and Science of Jewels and Stones | Isidore Kozminsky | Essays & miscellany | English | October 4, 2018 | 677.4K | 57980 |
| The Magical Chance | Dallas Lore Sharp | Essays & miscellany | English | December 7, 2019 | 253.3K | 60872 |
| The Majesty of Calmness; individual problems and posibilities | William George Jordan | Modern & 20th century | English | November 1, 2004 | 84.7K | 6911 |
| The Making of a Man | James W. Lee | Modern & 20th century | English | June 7, 2021 | 333.7K | 65545 |
| The Malthusian Handbook | Anonymous | Essays & miscellany | English | May 11, 2019 | 135.6K | 59480 |
| The Man of Genius | Cesare Lombroso | Essays & miscellany | English | November 23, 2015 | 837.3K | 50539 |
| The Man Who Was Thursday | G. K. Chesterton | Essays & miscellany | English | April, 1999 | 346.9K | 1695 |
| The Mansion | Henry Van Dyke | Essays & miscellany | English | December 15, 2011 | 68.7K | 38312 |
| The Map of Life | William Edward Hartpole Lecky | Modern & 20th century | English | August 16, 2008 | 609.2K | 26334 |
| The Marriage of Heaven and Hell | William Blake | Modern & 20th century | English | April 4, 2014 | 45.6K | 45315 |
| The Masculine Cross | Anonymous | Essays & miscellany | English | April 10, 2012 | 265.8K | 39414 |
| The meaning of a liberal education | Everett Dean Martin | Conduct, society & education | English | March 25, 2025 | 589.3K | 75711 |
| The Meaning of Good—A Dialogue | — | Essays & miscellany | English | — | 349.7K | 12508 |
| The Meaning of the War | Henri Bergson | Modern & 20th century | English | November 20, 2005 | 49.0K | 17111 |
| The Meaning of Truth | William James | Modern & 20th century | English | February 1, 2004 | 353.5K | 5117 |
| The Mediaeval Mind (Volume 2 of 2) | Henry Osborn Taylor | Essays & miscellany | English | October 4, 2013 | 1.4M | 43881 |
| The Memorabilia | — | Essays & miscellany | English | — | 391.9K | 1177 |
| The Memorable Thoughts of Socrates | Xenophon | Ancient & classical | English | January 10, 2006 | 327.1K | 17490 |
| The Mesnevi | Maulana Jalal al-Din Rumi | Essays & miscellany | English | March 31, 2020 | 804.8K | 61724 |
| The Metaphysic of Christianity and Buddhism: A Symphony | D. M. Strong | Eastern & classical | English | January 19, 2015 | 266.8K | 48028 |
| The Method by Which the Causes of the Present and Past Conditions of Organic Nature Are to Be Discovered; the Origination of Living Beings | Thomas Henry Huxley | Essays & miscellany | English | November 1, 2001 | 66.0K | 2923 |
| The Mind and the Brain | Alfred Binet | Essays & miscellany | English | April 14, 2007 | 398.0K | 21077 |
| The Mind in the Making: The Relation of Intelligence to Social Reform | James Harvey Robinson | Modern & 20th century | English | May 1, 2005 | 295.0K | 8077 |
| The Miraculous Conception | Peter Annet | Essays & miscellany | English | October 8, 2012 | 47.6K | 40982 |
| The Mirror of Alchimy | Roger Bacon | Early modern & Enlightenment | English | December 1, 2018 | 150.6K | 58393 |
| The Mirror of Literature, Amusement, and Instruction. Volume 19, No. 535, February 25, 1832 | — | Essays & miscellany | English | — | 72.2K | 11539 |
| The mistakes of Jesus | William Floyd | Modern & 20th century | English | October 11, 2007 | 119.6K | 22955 |
| The Misuse of Mind | Karin Stephen | Essays & miscellany | English | August 1, 2004 | 155.7K | 6336 |
| The Monist, Vol. 1, 1890-1891 | Various | Essays & miscellany | English | February 24, 2018 | 1.6M | 56634 |
| The Monist, Vol. 2, 1891-1892 | Various | Essays & miscellany | English | September 16, 2025 | 1.7M | 76880 |
| The Monist, Vol. 3, 1892-1893 | Various | Essays & miscellany | English | September 16, 2025 | 1.6M | 76881 |
| The Mosaic History of the Creation of the World | Thomas Wood | Essays & miscellany | English | January 11, 2014 | 1.3M | 44636 |
| The Mystery of Francis Bacon | William T. Smedley | Early modern & Enlightenment | English | July 7, 2011 | 360.5K | 36650 |
| The Mystic Will | Charles Godfrey Leland | Religion & theology | English | February 10, 2006 | 245.1K | 17749 |
| The Mystical Element of Religion, as studied in Saint Catherine of Genoa and her friends, Volume 1 (of 2) | Freiherr von Friedrich Hügel | Religion & theology | English | October 14, 2015 | 1.2M | 50205 |
| The Myth in Marriage | Alice Hubbard | Conduct, society & education | English | May 21, 2013 | 64.5K | 42760 |
| The National Being: Some Thoughts on an Irish Polity | George William Russell | Modern & 20th century | English | May 1, 2005 | 261.1K | 8104 |
| The Natural Philosophy of Love | Remy de Gourmont | Essays & miscellany | English | July 27, 2014 | 355.9K | 46428 |
| The Nature of Goodness | George Herbert Palmer | Essays & miscellany | English | July 1, 2004 | 267.2K | 6101 |
| The nature of man | Elie Metchnikoff | Essays & miscellany | English | March 3, 2025 | 586.6K | 75505 |
| The Necessity of Atheism | Dr. D.M. Brooks | Essays & miscellany | English | January 2, 2007 | 560.7K | 20248 |
| The New Avatar and The Destiny of the Soul | J. D. Buck | Religion & theology | English | October 12, 2008 | 342.4K | 26893 |
| The New Christianity; or, The Religion of the New Age | — | Religion & theology | English | December 4, 2012 | 185.1K | 41559 |
| The New Eschatology | J. G. Broughton Pegg | Essays & miscellany | English | April 29, 2016 | 168.2K | 51888 |
| The New Ideal in Education | — | Conduct, society & education | English | — | 24.1K | 13301 |
| The New Jerusalem | — | Essays & miscellany | English | — | 512.2K | 13468 |
| The New Optimism | H. De Vere Stacpoole | Essays & miscellany | English | June 3, 2017 | 137.8K | 54840 |
| The New Paul and Virginia; Or, Positivism on an Island | W. H. Mallock | 19th century | English | October 7, 2011 | 106.2K | 37651 |
| The New Physics and Its Evolution | Lucien Poincare | Essays & miscellany | En | February 28, 2005 | 488.1K | 15207 |
| The New Revelation | Arthur Conan Doyle | Essays & miscellany | English | February, 1999 | 132.1K | 1638 |
| The New Society | Walther Rathenau | Essays & miscellany | English | March 29, 2007 | 223.2K | 20936 |
| The New Spirit | Havelock Ellis | Religion & theology | English | November 2, 2017 | 408.8K | 55878 |
| The New Theology | R. J. Campbell | Religion & theology | English | December 11, 2008 | 398.9K | 27500 |
| The New York Times Current History of the European War, Vol. 1, January 9, 1915 | Various | Essays & miscellany | en | September 16, 2005 | 793.6K | 16702 |
| The Next Step in Religion: An Essay toward the Coming Renaissance | Roy Wood Sellars | Religion & theology | English | April 8, 2010 | 398.7K | 31920 |
| The Night-Side of Nature; Or, Ghosts and Ghost-Seers | Catherine Crowe | Essays & miscellany | English | April 10, 2017 | 986.8K | 54532 |
| The Non-religion of the Future: A Sociological Study | Jean-Marie Guyau | 19th century | English | November 22, 2014 | 1.3M | 47421 |
| The Note-Books of Samuel Butler | Samuel Butler | Essays & miscellany | English | July 1, 2004 | 816.3K | 6173 |
| The Notebooks of Leonardo Da Vinci — Volume 1 | da Vinci Leonardo | Essays & miscellany | English | January 1, 2004 | 608.6K | 4998 |
| The Ocean of Theosophy | William Quan Judge | Modern & 20th century | English | March 1, 2017 | 328.6K | 54268 |
| The Old Humanities and the New Science | Sir William Osler | Modern & 20th century | English | May 19, 2015 | 94.6K | 48994 |
| The Old Riddle and the Newest Answer | John Gerard | Essays & miscellany | English | October 15, 2010 | 502.7K | 33859 |
| The open conspiracy | H. G. Wells | Essays & miscellany | English | April 4, 2025 | 238.4K | 75786 |
| The opinions of Jérôme Coignard | Anatole France | Essays & miscellany | English | November 9, 2024 | 272.4K | 74713 |
| The organisation of thought, educational and scientific | Alfred North Whitehead | Modern & 20th century | English | October 8, 2025 | 327.8K | 77011 |
| The Origin and Permanent Value of the Old Testament | Charles Foster Kent | Essays & miscellany | English | July 1, 2005 | 321.7K | 8566 |
| The Origin of Man and of His Superstitions | Carveth Read | Essays & miscellany | English | September 17, 2014 | 821.1K | 46884 |
| The origin of the family, private property, and the state | Friedrich Engels | 19th century | English | July 8, 2010 | 406.6K | 33111 |
| The Origin of Thought and Speech | M. Moncalm | Essays & miscellany | English | March 15, 2021 | 591.3K | 64834 |
| The Other Side of Evolution: Its Effects and Fallacy | Alexander Patterson | Essays & miscellany | English | December 21, 2013 | 225.4K | 44479 |
| The Overman | Upton Sinclair | Essays & miscellany | English | March 29, 2022 | 68.2K | 67732 |
| The Palace of Glass and the Gathering of the People: A Book for the Exhibition | John Stoughton | Essays & miscellany | English | February 8, 2021 | 193.4K | 64495 |
| The Path, Vol. I.—1886-'7. | Various | Essays & miscellany | English | March 8, 2019 | 1.1M | 59038 |
| The Peak in Darien, With Some Other Inquiries Touching Concerns of the Soul and the Body | Frances Power Cobbe | Religion & theology | English | May 8, 2022 | 352.1K | 68018 |
| The pedigree of fascism | Aline Lion | Essays & miscellany | English | October 20, 2025 | 417.1K | 77090 |
| The People's Idea of God: Its Effect On Health And Christianity | Mary Baker Eddy | Religion & theology | English | January 26, 2011 | 40.8K | 35081 |
| The Perfect Wagnerite | George Bernard Shaw | Essays & miscellany | English | October, 1998 | 254.1K | 1487 |
| The Persian Mystics: Jámí | Jami | Religion & theology | English | March 17, 2014 | 106.4K | 45158 |
| The phantom public | Walter Lippmann | Essays & miscellany | English | October 2, 2025 | 199.5K | 76966 |
| The Phantom World; or, The philosophy of spirits, apparitions, &c, &c. | Augustin Calmet | Medieval & scholastic | English | July 14, 2009 | 1.1M | 29412 |
| The Pharisee and the Publican | John Bunyan | Essays & miscellany | English | November 1, 2002 | 327.9K | 3548 |
| The Philosopher's Joke | Jerome K. Jerome | Essays & miscellany | English | April 1, 1997 | 55.3K | 868 |
| The Philosophic Grammar of American Languages, as Set Forth by Wilhelm von Humboldt | Daniel G. Brinton | Essays & miscellany | English | July 7, 2011 | 153.1K | 36646 |
| The philosophical and mathematical commentaries of Proclus on the first book of Euclid's elements (Vol. 1 of 2) | Proclus | Ancient & classical | English | August 14, 2024 | 718.8K | 74253 |
| The Philosophical Theory of the State | Bernard Bosanquet | Essays & miscellany | English | September 20, 2020 | 600.4K | 63249 |
| The Philosophy and Theology of Averroes | Averroës | Medieval & scholastic | English | June 27, 2021 | 311.8K | 65708 |
| The Philosophy of Art | Hippolyte Taine | 19th century | English | September 4, 2016 | 170.8K | 52980 |
| The Philosophy of Auguste Comte | Lucien Lévy-Bruhl | 19th century | English | February 7, 2018 | 688.2K | 56517 |
| The Philosophy of Beards | Thomas S. Gowing | Essays & miscellany | English | July 29, 2019 | 129.7K | 60009 |
| The philosophy of biology | James Johnstone | Modern & 20th century | English | March 23, 2020 | 725.6K | 61663 |
| The Philosophy of Despair | David Starr Jordan | Essays & miscellany | English | December 1, 2003 | 57.4K | 4754 |
| The Philosophy of Disenchantment | Edgar Saltus | Essays & miscellany | English | June 25, 2012 | 387.5K | 40079 |
| The Philosophy of Earthquakes, Natural and Religious | William Stukeley | Modern & 20th century | English | September 27, 2020 | 133.1K | 63322 |
| The philosophy of Elbert Hubbard | Elbert Hubbard | Essays & miscellany | English | April 17, 2023 | 168.4K | 70579 |
| The Philosophy of Evolution | Stephen H. Carpenter | Essays & miscellany | English | December 23, 2009 | 84.7K | 30743 |
| The Philosophy of Fine Art, volume 1 (of 4) | Georg Wilhelm Friedrich Hegel | 19th century | English | August 11, 2017 | 1004.3K | 55334 |
| The Philosophy of Fine Art, volume 2 (of 4) | Georg Wilhelm Friedrich Hegel | 19th century | English | August 27, 2017 | 950.5K | 55445 |
| The Philosophy of Fine Art, volume 3 (of 4) | Georg Wilhelm Friedrich Hegel | 19th century | English | September 25, 2017 | 1.0M | 55623 |
| The Philosophy of Fine Art, volume 4 (of 4) | Georg Wilhelm Friedrich Hegel | 19th century | English | October 11, 2017 | 863.4K | 55731 |
| The Philosophy of Friedrich Nietzsche | H. L. Mencken | 19th century | English | June 29, 2015 | 494.7K | 49316 |
| The Philosophy of Giambattista Vico | Benedetto Croce | Early modern & Enlightenment | English | August 15, 2016 | 634.3K | 52814 |
| The Philosophy of Health; Volume 1 (of 2) | Southwood Smith | Essays & miscellany | English | November 23, 2019 | 503.9K | 60773 |
| The Philosophy of History, Vol. 2 of 2 | Friedrich von Schlegel | Essays & miscellany | English | February 16, 2015 | 508.7K | 48275 |
| The Philosophy of Immanuel Kant | — | Early modern & Enlightenment | English | January 5, 2015 | 157.7K | 47880 |
| The philosophy of Jake Haiden (late Jacob K. Huff) | Jacob K. Huff | Essays & miscellany | English | September 19, 2024 | 366.6K | 74444 |
| The philosophy of life, and philosophy of language, in a course of lectures | Friedrich von Schlegel | Essays & miscellany | English | August 23, 2013 | 1.3M | 43544 |
| The philosophy of mathematics | Auguste Comte | 19th century | English | May 15, 2012 | 437.8K | 39702 |
| The philosophy of Mr. B*rtr*nd R*ss*ll | — | Essays & miscellany | English | December 28, 2011 | 172.1K | 38430 |
| The Philosophy of Mystery | Walter Cooper Dendy | Essays & miscellany | English | March 23, 2018 | 799.3K | 56822 |
| The Philosophy of Natural Theology | William Jackson | Modern & 20th century | English | November 8, 2014 | 992.9K | 47314 |
| The Philosophy of Spinoza | Benedictus de Spinoza | Early modern & Enlightenment | English | February 7, 2010 | 700.9K | 31205 |
| The Philosophy of Spiritual Activity | Rudolf Steiner | Religion & theology | English | October 16, 2017 | 541.1K | 55761 |
| The Philosophy of Style | Herbert Spencer | 19th century | English | June 1, 2004 | 91.6K | 5849 |
| The Philosophy of Teaching | Nathaniel Sands | Conduct, society & education | English | October 20, 2009 | 109.2K | 30296 |
| The Philosophy of the Conditioned | Henry Longueville Mansel | Essays & miscellany | English | April 3, 2009 | 196.7K | 28484 |
| The Philosophy of the Plays of Shakspere Unfolded | Delia Salter Bacon | Early modern & Enlightenment | English | June 1, 2005 | 1.4M | 8207 |
| The Philosophy Which Shows the Physiology of Mesmerism and Explains the Phenomenon of Clairvoyance | T. H. Pasley | Essays & miscellany | English | October 10, 2015 | 185.5K | 50170 |
| The Physical Basis of Mind | George Henry Lewes | Essays & miscellany | English | September 1, 2019 | 1.0M | 60212 |
| The Physiology of Marriage, Part 1 | Honoré de Balzac | Conduct, society & education | English | July 4, 2005 | 249.5K | 5704 |
| The Physiology of Marriage, Part 3 | Honoré de Balzac | Conduct, society & education | English | July 4, 2005 | 202.9K | 5958 |
| The Physiology of Taste; Or, Transcendental Gastronomy | Brillat-Savarin | Essays & miscellany | English | April 1, 2004 | 419.8K | 5434 |
| The place of anarchism in socialistic evolution | kniaz Petr Alekseevich Kropotkin | Essays & miscellany | English | January 27, 2010 | 57.1K | 31104 |
| The Place of Animals in Human Thought | contessa Evelyn Lilian Hazeldine Carrington Martinengo-Cesaresco | Essays & miscellany | English | June 29, 2021 | 598.0K | 65720 |
| The Place of Science in Modern Civilisation, and Other Essays | Thorstein Veblen | Essays & miscellany | English | June 8, 2012 | 959.8K | 39949 |
| The place of the individual in society | Emma Goldman | Essays & miscellany | English | August 16, 2023 | 52.9K | 71418 |
| The Planet Mars and Its Inhabitants, a Psychic Revelation | J. L. Kennon | Religion & theology | English | June 1, 1996 | 148.1K | 563 |
| The Pleasures of Life | Sir John Lubbock | Essays & miscellany | English | April 1, 2005 | 412.5K | 7952 |
| The plurality of the human race | G. Pouchet | Essays & miscellany | English | February 10, 2023 | 394.5K | 70009 |
| The Plurality of Worlds | William Whewell | 19th century | English | May 31, 2011 | 573.4K | 36288 |
| The Pocket Lavater; or, The Science of Physiognomy | Johann Caspar Lavater | Essays & miscellany | English | April 23, 2018 | 87.3K | 57030 |
| The Poetry of Architecture | John Ruskin | Essays & miscellany | English | February 16, 2006 | 366.8K | 17774 |
| The Poetry of Science; or, Studies of the Physical Phenomena of Nature | Robert Hunt | Essays & miscellany | English | April 30, 2016 | 913.8K | 51897 |
| The positive outcome of philosophy | Joseph Dietzgen | 19th century | English | June 10, 2012 | 735.3K | 39964 |
| The Posthumous Works of Thomas De Quincey, Vol. 1 | Thomas De Quincey | Essays & miscellany | English | December 9, 2007 | 548.0K | 23788 |
| The Power of Truth: Individual Problems and Possibilities | William George Jordan | Modern & 20th century | English | November 21, 2017 | 138.6K | 56020 |
| The Practice and Theory of Bolshevism | Bertrand Russell | Modern & 20th century | English | December 19, 2005 | 247.5K | 17350 |
| The Practice of the Presence of God the Best Rule of a Holy Life | — | Religion & theology | English | — | 59.3K | 13871 |
| The pragmatic theory of truth as developed by Peirce, James, and Dewey | Denton Loring Geyer | Modern & 20th century | English | September 28, 2011 | 165.1K | 37552 |
| The Praise of Folly | Desiderius Erasmus | Essays & miscellany | English | November 1, 2005 | 220.6K | 9371 |
| The Preface to Aristotle's Art of Poetry | André Dacier | Ancient & classical | English | July 30, 2009 | 79.2K | 29547 |
| The Price of a Soul | William Jennings Bryan | Modern & 20th century | English | January 23, 2008 | 71.8K | 24406 |
| The Prince | — | Essays & miscellany | English | — | 276.9K | 1232 |
| The Prince | Niccolò Machiavelli | Essays & miscellany | English | April 23, 2018 | 191.1K | 57037 |
| The Principles of Aesthetics | De Witt H. Parker | Essays & miscellany | English | August 1, 2004 | 621.7K | 6366 |
| The Principles of Psychology, Volume 1 (of 2) | William James | Modern & 20th century | English | August 2, 2018 | 1.6M | 57628 |
| The principles of science | William Stanley Jevons | Modern & 20th century | English | December 9, 2024 | 1.8M | 74864 |
| The Principles of Secularism | George Jacob Holyoake | Religion & theology | English | July 20, 2011 | 111.0K | 36797 |
| The privilege of pain | Mrs. Leo Everett | Essays & miscellany | English | January 13, 2019 | 124.9K | 58685 |
| The Problem of China | — | Eastern & classical | English | — | 435.4K | 13940 |
| The Problem of Foreign Policy | Gilbert Murray | Essays & miscellany | English | June 19, 2012 | 176.9K | 40043 |
| The Problem of Truth | Herbert Wildon Carr | Essays & miscellany | English | December 13, 2014 | 181.3K | 47658 |
| The Problems of Philosophy | Bertrand Russell | Modern & 20th century | English | June 1, 2004 | 263.2K | 5827 |
| The profanity of paint | William Kiddier | Modern & 20th century | English | June 5, 2022 | 39.4K | 68241 |
| The Profits of Religion, Fifth Edition | Upton Sinclair | Religion & theology | English | August 7, 2005 | 524.6K | 16470 |
| The Project Gutenberg Works of Plato: An Index | Plato | Ancient & classical | English | July 18, 2009 | 20.1K | 29441 |
| The Promise of World Peace | Universal House of Justice | Essays & miscellany | English | September 2006 | 64.3K | 19286 |
| The Proofs of Christ's Resurrection; from a Lawyer's Standpoint | Charles R. Morrison | Religion & theology | English | January 12, 2022 | 341.9K | 67151 |
| The Prophet | Kahlil Gibran | Essays & miscellany | English | January 1, 2019 | 87.8K | 58585 |
| The Proportions of Truth | Edward Hoare | Essays & miscellany | English | August 8, 2016 | 50.9K | 52757 |
| The pros and cons of vivisection | Charles Richet | Essays & miscellany | English | August 22, 2011 | 194.1K | 37158 |
| The Prosperity of Humankind | Baha’i International Community | Essays & miscellany | English | September 2006 | 77.9K | 19283 |
| The Protestants Plea for a Socinian | R. H. | Religion & theology | English | November 21, 2012 | 137.8K | 41421 |
| The provincial letters of Blaise Pascal | Blaise Pascal | Early modern & Enlightenment | English | July 1, 2024 | 889.8K | 73959 |
| The Psychology of Beauty | Ethel Puffer Howes | Modern & 20th century | English | February 1, 2003 | 400.6K | 3751 |
| The Psychology of Nations | G. E. Partridge | Modern & 20th century | English | March 14, 2007 | 656.9K | 20814 |
| The public and its problems | John Dewey | Modern & 20th century | English | June 20, 2023 | 358.8K | 71000 |
| The Punishment of Children | Felix Adler | Modern & 20th century | English | August 14, 2018 | 90.2K | 57689 |
| The Purpose of History | Frederick James Eugene Woodbridge | Modern & 20th century | English | October 28, 2018 | 128.9K | 58179 |
| The Pursuit of Happiness: A Book of Studies and Strowings | Daniel G. Brinton | Conduct, society & education | English | April 30, 2018 | 434.9K | 57071 |
| The Queen of the Air- Being a Study of the Greek Myths of Cloud and Storm | — | Ancient & classical | English | — | 276.7K | 12641 |
| The Querist | George Berkeley | Early modern & Enlightenment | English | October 1, 2003 | 175.7K | 4543 |
| The quest of the historical Jesus | Albert Schweitzer | Religion & theology | English | April 16, 2014 | 1.2M | 45422 |
| The Quest of the Simple Life | William J. Dawson | Modern & 20th century | English | December 6, 2005 | 289.5K | 17246 |
| The Real Jesus of the Four Gospels | John Birdseye Atwater | Religion & theology | English | August 8, 2012 | 287.6K | 40458 |
| The Reality of War: A Companion to Clausewitz | Stewart Lygon Murray | Essays & miscellany | English | November 17, 2013 | 181.6K | 44200 |
| The Reconciliation of Races and Religions | T. K. Cheyne | Religion & theology | English | April 1, 2005 | 305.9K | 7995 |
| The Red Light of Mars; or, A Day in the Life of the Devil | George Bronson-Howard | Essays & miscellany | English | July 28, 2018 | 198.8K | 57598 |
| The Reform of Education | Giovanni Gentile | Conduct, society & education | English | July 17, 2011 | 382.9K | 36762 |
| The Reformed Librarie-Keeper (1650) | John Dury | Essays & miscellany | English | February 28, 2005 | 80.1K | 15199 |
| The Relation of Art to Nature | John W. Beatty | Essays & miscellany | English | November 8, 2016 | 116.4K | 53477 |
| The Relation of Literature to Life | Charles Dudley Warner | Essays & miscellany | English | December 5, 2004 | 126.0K | 3117 |
| The Relations Between Religion and Science | Frederick, Lord Bishop of Exeter | Religion & theology | English | November 30, 2005 | 285.3K | 17194 |
| The Relations of Science and Religion | Henry Calderwood | Religion & theology | English | September 9, 2011 | 414.4K | 37370 |
| The religion of Plutarch | John Oakesmith | Ancient & classical | English | January 15, 2024 | 450.6K | 72730 |
| The Religion of Politics | Ezra S. Gannett | Religion & theology | English | March 3, 2010 | 75.2K | 31490 |
| The Religion of the Samurai | Kaiten Nukariya | Religion & theology | English | February 1, 2004 | 517.8K | 5173 |
| The Religious Sentiment | Daniel G. Brinton | Essays & miscellany | English | September 22, 2009 | 419.4K | 30061 |
| The Religious Situation | Goldwin Smith | Essays & miscellany | English | October 17, 2006 | 40.4K | 19568 |
| The Religious Spirit of the Slavs | — | Religion & theology | English | — | 64.9K | 13388 |
| The Religious Thought of the Greeks, from Homer to the Triumph of Christianity | Clifford Herschel Moore | Ancient & classical | English | March 21, 2017 | 635.1K | 54406 |
| The Republic | — | Essays & miscellany | English | — | 1.1M | 1497 |
| The republic of Cicero | Marcus Tullius Cicero | Ancient & classical | English | February 12, 2017 | 219.3K | 54161 |
| The Republic of Plato | Plato | Ancient & classical | English | July 26, 2017 | 1.4M | 55201 |
| The Riddle of the Universe at the close of the nineteenth century | Ernst Haeckel | Essays & miscellany | English | June 17, 2013 | 699.0K | 42968 |
| The Right of American Slavery | T. W. Hoit | Conduct, society & education | English | May 1, 2008 | 117.1K | 25277 |
| The right to be lazy, and other studies | Paul Lafargue | Essays & miscellany | English | September 5, 2016 | 224.4K | 52984 |
| The Right to Ignore the State | Herbert Spencer | 19th century | English | December 14, 2010 | 48.3K | 34649 |
| The Rights of War and Peace | Hugo Grotius | Essays & miscellany | English | August 11, 2014 | 1009.7K | 46564 |
| The Road Away from Revolution | Woodrow Wilson | Essays & miscellany | English | March 6, 2019 | 26.5K | 59019 |
| The Roadmender | Michael Fairless | Essays & miscellany | English | September 10, 2014 | 160.2K | 46830 |
| The Roadmender | Michael Fairless | Essays & miscellany | English | November 1, 1996 | 158.1K | 705 |
| The Roman and the Teuton | Charles Kingsley | Essays & miscellany | English | March 1, 2003 | 571.5K | 3821 |
| The Rosicrucian Mysteries: An Elementary Exposition of Their Secret Teachings | Max Heindel | Conduct, society & education | English | August 30, 2009 | 280.4K | 29855 |
| The Royal Exchange and the Palace of Industry; or, The Possible Future of Europe and the World | Thomas Binney | Essays & miscellany | English | October 8, 2018 | 213.2K | 58058 |
| The Rubaiyat of Omar Khayyam | Omar Khayyam | Essays & miscellany | English | April 1, 1995 | 88.3K | 246 |
| The Ruins; Or, Meditation on the Revolutions of Empires and the Law of Nature | — | Essays & miscellany | English | — | 585.7K | 1397 |
| The Rural Magazine, and Literary Evening Fire-Side, Vol. 1 No. 05 (1820) | Various | Essays & miscellany | English | April 21, 2015 | 168.3K | 48759 |
| The Sabbath and the Crystal Palace | Anonymous | Religion & theology | English | January 9, 2017 | 41.7K | 53934 |
| The Sabbath, the Crystal Palace, and the People | James Baldwin Brown | Modern & 20th century | English | May 23, 2020 | 76.7K | 62202 |
| The Sacred Books and Early Literature of the East, Volume 6 (of 14) | — | Religion & theology | English | October 2, 2017 | 724.2K | 55674 |
| The sacred theory of the Earth, Volume 1 (of 2) | Thomas Burnet | Religion & theology | English | March 17, 2025 | 723.9K | 75644 |
| The sacred theory of the Earth, Volume 2 (of 2) | Thomas Burnet | Religion & theology | English | May 15, 2025 | 1014.7K | 76101 |
| The Salvaging of Civilization | H. G. Wells | Essays & miscellany | English | October 29, 2010 | 313.1K | 33889 |
| The Sarva-Darsana-Samgraha | Madhava | Essays & miscellany | English | October 24, 2010 | 666.6K | 34125 |
| The Sayings of Confucius | Confucius | Eastern & classical | English | December 27, 2007 | 191.4K | 24055 |
| The Sayings of Confucius | Confucius | Eastern & classical | English | July 24, 2014 | 191.0K | 46389 |
| The Sceptical Chymist | Robert Boyle | Conduct, society & education | English | October 8, 2007 | 525.4K | 22914 |
| The Sceptics of the Old Testament: Job - Koheleth - Agur | Emile Joseph Dillon | Essays & miscellany | English | May 1, 2005 | 357.4K | 8193 |
| The school and society | John Dewey | Modern & 20th century | English | September 5, 2024 | 220.5K | 74376 |
| The Science and Philosophy of the Organism | Hans Driesch | Essays & miscellany | English | December 8, 2013 | 577.5K | 44388 |
| The science of beauty, as developed in nature and applied in art | D. R. Hay | Essays & miscellany | English | February 17, 2025 | 251.0K | 75399 |
| The Scientific Spirit of the Age, and Other Pleas and Discussions | Frances Power Cobbe | Religion & theology | English | December 12, 2020 | 312.7K | 64021 |
| The Sea (La Mer) | Jules Michelet | Essays & miscellany | English | May 30, 2013 | 530.7K | 42845 |
| The Search After Hapiness [sic]: A Tale | — | Essays & miscellany | English | February 28, 2017 | 69.9K | 54254 |
| The Second Story of Meno | Unknown | Essays & miscellany | English | July 9, 2008 | 53.2K | 254 |
| The Secret Doctrine, Vol. 1 of 4 | H. P. Blavatsky | Essays & miscellany | English | June 1, 2017 | 1.9M | 54824 |
| The Secret Doctrine, Vol. 2 of 4 | H. P. Blavatsky | Essays & miscellany | English | April 4, 2017 | 2.3M | 54488 |
| The Secret Doctrine, Vol. 3 of 4 | H. P. Blavatsky | Essays & miscellany | English | March 30, 2018 | 1.5M | 56880 |
| The Secret Doctrine, Vol. 4 of 4 | H. P. Blavatsky | Essays & miscellany | English | March 15, 2020 | 1.8M | 61626 |
| The Secret Life: Being the Book of a Heretic | Elizabeth Bisland | Essays & miscellany | English | June 24, 2014 | 360.9K | 46084 |
| The Secret of Divine Civilization | ‘Abdu’l-Bahá | Religion & theology | English | September 2006 | 191.3K | 19237 |
| The Secret of Dreams | — | Essays & miscellany | English | — | 38.5K | 13137 |
| The secret of life, death and immortality | Henry Fleetwood | Essays & miscellany | English | August 10, 2018 | 92.4K | 57668 |
| The Secret of the Creation | Howard D. Pollyen | Essays & miscellany | English | May 25, 2007 | 94.7K | 21610 |
| The Secrets of the Self (Asrar-i Khudi) — A Philosophical Poem | Sir Muhammad Iqbal | Essays & miscellany | English | June 13, 2018 | 149.7K | 57317 |
| The Seekers | Jessie E. Sampter | Essays & miscellany | English | July 27, 2016 | 427.0K | 52660 |
| The Self-Plumed Bishop Unplumed | Thomas Latham | Religion & theology | English | October 7, 2018 | 100.3K | 58052 |
| The Sense of Beauty: Being the Outlines of Aesthetic Theory | George Santayana | Modern & 20th century | English | October 8, 2008 | 437.9K | 26842 |
| The Senses and the Mind | Anonymous | Essays & miscellany | English | June 23, 2014 | 296.9K | 46078 |
| The Service | Henry David Thoreau | Essays & miscellany | English | December 18, 2019 | 45.1K | 60951 |
| The Servile State | Hilaire Belloc | Essays & miscellany | English | March 20, 2021 | 243.8K | 64882 |
| The Seven Lamps of Architecture | John Ruskin | Essays & miscellany | English | April 18, 2011 | 478.2K | 35898 |
| The Seven Valleys and the Four Valleys | Bahá’u’lláh | Essays & miscellany | English | November 2, 2005 | 94.8K | 16986 |
| The Sexes in Science and History | Eliza Burt Gamble | Essays & miscellany | English | September 1, 2019 | 586.2K | 60219 |
| The Sexual Life of Our Time in Its Relations to Modern Civilization | Iwan Bloch | Essays & miscellany | English | December 19, 2019 | 2.1M | 60968 |
| The Shadow On The Dial, and Other Essays | Ambrose Bierce | Essays & miscellany | English | May 2, 2008 | 360.6K | 25304 |
| The Silesian Horseherd - Questions of the Hour | F. Max Müller | Essays & miscellany | English | January 15, 2008 | 347.9K | 24315 |
| The Simple Life | Charles Wagner | Essays & miscellany | English | October 20, 2007 | 243.3K | 23092 |
| The Sixth Sense: Its Cultivation and Use | Charles Henry Brent | Essays & miscellany | English | March 18, 2019 | 130.6K | 59091 |
| The social contract & discourses | Jean-Jacques Rousseau | Early modern & Enlightenment | English | July 19, 2014 | 724.6K | 46333 |
| The Social Principles of Jesus | Walter Rauschenbusch | Religion & theology | English | September 5, 2009 | 367.0K | 29912 |
| The Song Celestial; Or, Bhagavad-Gîtâ (from the Mahâbhârata) | — | Eastern & classical | English | November 1, 2000 | 144.0K | 2388 |
| The Soul of Democracy | — | Religion & theology | English | — | 157.9K | 10837 |
| The Soul of Man | Oscar Wilde | Religion & theology | English | September 26, 2014 | 101.2K | 1017 |
| The Soul of the Far East | — | Religion & theology | English | — | 252.9K | 1409 |
| The Sources of Religious Insight | Josiah Royce | Modern & 20th century | English | September 9, 2010 | 444.1K | 33677 |
| The Spirit Land | Samuel B. Emmons | Religion & theology | English | July 17, 2013 | 487.5K | 43237 |
| The Spirit of God as Fire; the Globe Within the Sun Our Heaven | D. Mortimore | Religion & theology | English | August 8, 2012 | 306.3K | 40443 |
| The Spirit of Japan | Rabindranath Tagore | Eastern & classical | English | July 10, 2010 | 58.8K | 33131 |
| The Spirit of the Age; Or, Contemporary Portraits | — | Religion & theology | English | — | 463.1K | 11068 |
| The Spirit of the Links | Henry Leach | Religion & theology | English | March 17, 2013 | 526.6K | 42348 |
| The Spiritual Guidance of Man and of Mankind | Rudolf Steiner | Religion & theology | English | February 28, 2017 | 146.0K | 54260 |
| The Sportsman- On Hunting, a Sportsman's Manual, Commonly Called Cynegeticus | — | Essays & miscellany | English | — | 132.7K | 1180 |
| The steps of life: further essays on happiness | Karl Hilty | Conduct, society & education | English | October 3, 2023 | 314.4K | 71785 |
| The Stones of Venice, Volume 3 (of 3) | John Ruskin | Essays & miscellany | English | December 31, 2009 | 829.7K | 30756 |
| The Storm. An Essay. | Daniel Defoe | Essays & miscellany | English | October 14, 2012 | 36.1K | 41063 |
| The Story of Anna Kingsford and Edward Maitland and of the new Gospel of Interpretation | Edward Maitland | Religion & theology | English | January 16, 2012 | 398.9K | 38590 |
| The Story of My Heart: An Autobiography | Richard Jefferies | Essays & miscellany | English | September 1, 2000 | 195.4K | 2317 |
| The Story of My Mind; Or, How I Became a Rationalist | M. M. Mangasarian | Essays & miscellany | English | April 24, 2014 | 176.3K | 45483 |
| The Story of the Innumerable Company, and Other Sketches | David Starr Jordan | Essays & miscellany | English | May 28, 2006 | 296.4K | 18462 |
| The Story of the Living Machine | H. W. Conn | Essays & miscellany | English | August 8, 2005 | 346.1K | 16487 |
| The Story of the Other Wise Man | Henry Van Dyke | Essays & miscellany | English | July 14, 2005 | 72.8K | 16291 |
| The story of utopias | Lewis Mumford | Essays & miscellany | English | March 18, 2025 | 478.8K | 75654 |
| The Subjection of Women | John Stuart Mill | 19th century | English | October 28, 2008 | 272.1K | 27083 |
| The Substance of Faith Allied with Science (6th Ed.) | Sir Oliver Lodge | Religion & theology | English | October 27, 2015 | 353.6K | 50330 |
| The Sufism of the Rubáiyát, or, the Secret of the Great Paradox | Omar Khayyam | Essays & miscellany | English | December 5, 2015 | 81.0K | 50619 |
| The Sufistic Quatrains of Omar Khayyam | Omar Khayyam | Essays & miscellany | English | January 6, 2012 | 532.5K | 38511 |
| The Super Race: An American Problem | Scott Nearing | Essays & miscellany | English | February 27, 2011 | 98.0K | 35417 |
| The Supernatural in the New Testament, Possible, Credible, and Historical | C. A. Row | Religion & theology | English | August 19, 2014 | 942.0K | 46630 |
| The Superstition of Divorce | G. K. Chesterton | Essays & miscellany | English | July 17, 2020 | 155.3K | 62680 |
| The Supposed Autographa of John the Scot | Edward Kennard Rand | Essays & miscellany | English | November 30, 2010 | 34.4K | 34511 |
| The symbolism of Freemasonry - Illustrating and explaining its science and philosophy, its legends, myths and | — | Essays & miscellany | English | — | 607.5K | 11937 |
| The Sympathy of Religions | Thomas Wentworth Higginson | Religion & theology | English | June 14, 2008 | 75.8K | 25792 |
| The Symposium | — | Essays & miscellany | English | — | 129.5K | 1181 |
| The Tables of the Law; & The Adoration of the Magi | W. B. Yeats | Essays & miscellany | English | August 31, 2013 | 58.4K | 43611 |
| The Tattva-Muktavali | active 17th century Gaudapurnanandacakravarti | Essays & miscellany | English | December 1, 2004 | 67.0K | 7175 |
| The Teacher: Essays and Addresses on Education | George Herbert Palmer | Conduct, society & education | English | July 17, 2011 | 551.8K | 36774 |
| The Temple of Nature; or, the Origin of Society: A Poem, with Philosophical Notes | Erasmus Darwin | Essays & miscellany | English | October 9, 2008 | 501.7K | 26861 |
| The Theistic Conception of the World | B. F. Cocker | Essays & miscellany | English | August 9, 2014 | 812.1K | 46544 |
| The Theological Tractates and The Consolation of Philosophy (Latin) | — | Ancient & classical | English | — | 630.8K | 13316 |
| The Theosophical Path Illustrated Monthly Volume 1, July-December, 1911 | — | Religion & theology | English | December 24, 2020 | 1.2M | 64121 |
| The Thirteen Names of the First Patriarchs, Considered as Figurative of the Progressive Influence of the Spirit. | J. Church | Religion & theology | English | December 27, 2018 | 78.3K | 58554 |
| The Thoughts of Blaise Pascal | Blaise Pascal | Early modern & Enlightenment | English | September 21, 2014 | 682.7K | 46921 |
| The Thread of Gold | Arthur Christopher Benson | Religion & theology | English | October 25, 2009 | 360.7K | 30326 |
| The thread of life | Infanta of Spain Eulalia | Essays & miscellany | English | August 25, 2018 | 181.4K | 57768 |
| The Three Impostors | — | Essays & miscellany | English | November 22, 2015 | 185.8K | 50534 |
| The Threefold Commonwealth | Rudolf Steiner | Essays & miscellany | English | April 12, 2019 | 262.0K | 59257 |
| The Treasure of the Humble | Maurice Maeterlinck | Essays & miscellany | English | February 9, 2015 | 205.5K | 48217 |
| The Trial of Henry Hetherington, on an Indictment for Blasphemy | H. Hetherington | Essays & miscellany | English | March 5, 2012 | 143.0K | 39055 |
| The True Citizen: How to Become One | William Fisher Markwick | Modern & 20th century | English | July 1, 2004 | 408.3K | 6158 |
| The Truth About Jesus : Is He a Myth? | M. M. Mangasarian | Religion & theology | English | March 7, 2014 | 341.1K | 45068 |
| The Truth about Jesus : Is He a Myth? | M. M. Mangasarian | Religion & theology | English | July 1, 2004 | 341.8K | 6107 |
| The Truth of Christianity | W. H. Turton | Religion & theology | English | April 2, 2013 | 870.6K | 42460 |
| The Twilight of the Idols; or, How to Philosophize with the Hammer. The Antichrist | Friedrich Wilhelm Nietzsche | 19th century | English | June 7, 2016 | 443.7K | 52263 |
| The Two Paths | John Ruskin | Essays & miscellany | English | January 1, 2005 | 331.0K | 7291 |
| The Two Tests: The Supernatural Claims of Christianity Tried by Two of Its Own Rules | Lionel Lisle | Religion & theology | English | December 22, 2011 | 247.5K | 38380 |
| The Tyranny of God | Joseph Lewis | Religion & theology | English | January 9, 2010 | 113.4K | 30900 |
| The Tyranny of Shams | Joseph McCabe | Essays & miscellany | English | August 17, 2020 | 460.9K | 62961 |
| The Unconstitutionality of Slavery | Lysander Spooner | Conduct, society & education | English | March 31, 2010 | 347.9K | 31844 |
| The Undying Fire: A contemporary novel | H. G. Wells | Essays & miscellany | English | March 2, 2020 | 283.5K | 61547 |
| The Unfinished Programme of Democracy | Richard Roberts | Essays & miscellany | English | October 17, 2018 | 497.8K | 58123 |
| The Universal Kinship | J. Howard Moore | Modern & 20th century | English | February 9, 2020 | 506.7K | 61363 |
| The University of Hard Knocks | Ralph Albert Parlette | Essays & miscellany | English | March 1, 1996 | 225.0K | 455 |
| The Unknown Guest | — | Essays & miscellany | English | — | 349.2K | 2033 |
| The unseen universe | Balfour Stewart | Essays & miscellany | English | January 28, 2025 | 506.9K | 75232 |
| The Unseen World and Other Essays | John Fiske | Essays & miscellany | English | October, 1998 | 604.6K | 1486 |
| The Unthinking Destroyer | Rog Phillips | Essays & miscellany | English | December 15, 2009 | 40.2K | 30683 |
| The Untroubled Mind | Herbert J. Hall | Essays & miscellany | English | July 19, 2007 | 105.6K | 22108 |
| The unwelcome child | Henry Clarke Wright | Essays & miscellany | English | July 3, 2023 | 223.8K | 71097 |
| The Upanishads | — | Eastern & classical | English | June 1, 2002 | 122.5K | 3283 |
| The Varieties of Religious Experience: A Study in Human Nature | William James | Modern & 20th century | English | August 1, 1996 | 1.1M | 621 |
| The Vedanta-Sutras with the Commentary by Ramanuja | — | Eastern & classical | English | January 1, 2005 | 1.6M | 7297 |
| The Vedanta-Sutras with the Commentary by Sankaracarya | Translator: George Thibaut | Eastern & classical | English | July 15, 2005 | 1.2M | 16295 |
| The Vital Message | Arthur Conan Doyle | Essays & miscellany | English | February 1, 1996 | 185.2K | 439 |
| The Vitality of "Mormonism": An Address | James E. Talmage | Modern & 20th century | English | June 26, 2014 | 63.6K | 46099 |
| The Voice and Spiritual Education | Hiram Corson | Religion & theology | English | July 15, 2010 | 157.1K | 33175 |
| The Voice of the Machines | Gerald Stanley Lee | Essays & miscellany | English | January 15, 2007 | 223.5K | 20361 |
| The Vote That Made the President | David Dudley Field | Essays & miscellany | English | October 11, 2009 | 64.5K | 30231 |
| The War and the Churches | Joseph McCabe | Religion & theology | English | June 22, 2006 | 229.6K | 18650 |
| The Wave of Scepticism and the Rock of Truth | M. H. Habershon | Essays & miscellany | English | October 25, 2012 | 244.5K | 41174 |
| The Way of Initiation; or, How to Attain Knowledge of the Higher Worlds | Rudolf Steiner | Essays & miscellany | English | June 13, 2012 | 284.5K | 39986 |
| The Way of Martha and the Way of Mary | Stephen Graham | Essays & miscellany | English | April 25, 2021 | 423.9K | 65157 |
| The Way of Peace | — | Essays & miscellany | English | — | 99.9K | 10740 |
| The Way to Abolish Slavery | Charles Stearns | Conduct, society & education | English | January 26, 2014 | 85.8K | 44761 |
| The Well of Saint Clare | Anatole France | Religion & theology | English | July 1, 2006 | 331.1K | 18728 |
| The Wheel of Fortune | Mahatma Gandhi | Essays & miscellany | English | January 31, 2013 | 165.9K | 41954 |
| The Whence and the Whither of Man | — | Essays & miscellany | English | — | 541.9K | 14834 |
| The White Spark | Orville Livingston Leach | Essays & miscellany | English | October 23, 2013 | 112.6K | 44016 |
| The Will to Believe, and Other Essays in Popular Philosophy | William James | Modern & 20th century | English | September 19, 2008 | 609.2K | 26659 |
| The will to doubt | Alfred H. Lloyd | Essays & miscellany | English | November 3, 2010 | 488.5K | 34198 |
| The Will to Power: An Attempted Transvaluation of All Values. Book I and II | Friedrich Wilhelm Nietzsche | 19th century | English | August 28, 2016 | 542.8K | 52914 |
| The Will to Power: An Attempted Transvaluation of All Values. Book III and IV | Friedrich Wilhelm Nietzsche | 19th century | English | August 28, 2016 | 619.7K | 52915 |
| The Woman Movement | Ellen Key | Essays & miscellany | English | December 3, 2019 | 367.5K | 60840 |
| The Wonders of Life: A Popular Study of Biological Philosophy | Ernst Haeckel | Essays & miscellany | English | August 22, 2014 | 956.7K | 46652 |
| The Works of "Fiona Macleod", Volume IV | — | Essays & miscellany | English | September 2, 2011 | 502.3K | 37293 |
| The Works of Aristotle the Famous Philosopher | — | Ancient & classical | English | — | 598.9K | 12699 |
| The Works of George Berkeley. Vol. 1 of 4: Philosophical Works, 1705-21 | George Berkeley | Early modern & Enlightenment | English | May 20, 2012 | 1.3M | 39746 |
| The Works of John Greenleaf Whittier, Volume VII, Complete | John Greenleaf Whittier | Essays & miscellany | English | December 1, 2005 | 593.1K | 9599 |
| The Works of Lucian of Samosata — Volume 02 | of Samosata Lucian | Ancient & classical | English | September 1, 2004 | 535.9K | 6585 |
| The Works of Lucian of Samosata — Volume 03 | of Samosata Lucian | Ancient & classical | English | November 1, 2004 | 540.3K | 6829 |
| The works of Richard Hurd, volume 1 (of 8) | Richard Hurd | Essays & miscellany | English | September 7, 2016 | 626.9K | 52998 |
| The works of Richard Hurd, volume 3 (of 8) | Richard Hurd | Essays & miscellany | English | April 9, 2017 | 452.5K | 54514 |
| The works of Richard Hurd, volume 4 (of 8) | Richard Hurd | Essays & miscellany | English | April 9, 2017 | 426.0K | 54524 |
| The works of Richard Hurd, volume 5 (of 8) | Richard Hurd | Essays & miscellany | English | April 12, 2017 | 504.7K | 54539 |
| The Works of Robert G. Ingersoll, Complete Contents | Robert Green Ingersoll | Essays & miscellany | English | February 9, 2012 | 144.6K | 38813 |
| The Works of Robert G. Ingersoll, Vol. 01 (of 12) | Robert Green Ingersoll | Essays & miscellany | English | February 9, 2012 | 578.1K | 38801 |
| The Works of Robert G. Ingersoll, Vol. 02 (of 12) | Robert Green Ingersoll | Essays & miscellany | English | February 9, 2012 | 548.4K | 38802 |
| The Works of Robert G. Ingersoll, Vol. 04 (of 12) | Robert Green Ingersoll | Essays & miscellany | English | February 9, 2012 | 550.5K | 38804 |
| The Works of Robert G. Ingersoll, Vol. 05 (of 12) | Robert Green Ingersoll | Essays & miscellany | English | February 9, 2012 | 619.8K | 38805 |
| The Works of Robert G. Ingersoll, Vol. 06 (of 12) | Robert Green Ingersoll | Essays & miscellany | English | February 9, 2012 | 950.7K | 38806 |
| The Works of Robert G. Ingersoll, Vol. 07 (of 12) | Robert Green Ingersoll | Essays & miscellany | English | February 9, 2012 | 661.0K | 38807 |
| The Works of Robert G. Ingersoll, Vol. 08 (of 12) | Robert Green Ingersoll | Essays & miscellany | English | February 9, 2012 | 1.2M | 38808 |
| The Works of Robert G. Ingersoll, Vol. 11 (of 12) | Robert Green Ingersoll | Essays & miscellany | English | February 9, 2012 | 950.3K | 38811 |
| The Works of Robert G. Ingersoll, Vol. 12 (of 12) | Robert Green Ingersoll | Essays & miscellany | English | February 9, 2012 | 639.8K | 38812 |
| The Works of Robert G. Ingersoll, Volume VIII. | Robert Green Ingersoll | Essays & miscellany | English | January 25, 2007 | 1.2M | 20447 |
| The Works of Samuel Johnson, in Sixteen Volumes. Volume 04 | Samuel Johnson | Essays & miscellany | English | July 1, 1996 | 550.7K | 577 |
| The Works of Sir Thomas Browne, Volume 1 | Sir Thomas Browne | Essays & miscellany | English | July 24, 2012 | 764.2K | 39960 |
| The Works of Sir Thomas Browne, Volume 2 | Sir Thomas Browne | Essays & miscellany | English | August 5, 2012 | 725.6K | 39961 |
| The Works of Sir Thomas Browne, Volume 3 | Sir Thomas Browne | Essays & miscellany | English | November 5, 2012 | 1.0M | 39962 |
| The Works of the Emperor Julian, Vol. 1 | Emperor of Rome Julian | Essays & miscellany | English | April 7, 2015 | 1.0M | 48664 |
| The Works of the Emperor Julian, Vol. 2 | Emperor of Rome Julian | Essays & miscellany | English | April 24, 2015 | 1011.9K | 48768 |
| The Works of the Rev. Hugh Binning | Hugh Binning | Essays & miscellany | English | January 10, 2008 | 3.2M | 24238 |
| The Works of Voltaire, Vol. IV of XLIII. | Voltaire | Early modern & Enlightenment | English | August 17, 2015 | 448.3K | 49726 |
| The World as Will and Idea (Vol. 1 of 3) | Arthur Schopenhauer | 19th century | English | December 27, 2011 | 1.1M | 38427 |
| The World as Will and Idea (Vol. 2 of 3) | Arthur Schopenhauer | 19th century | English | June 27, 2012 | 1022.2K | 40097 |
| The World as Will and Idea (Vol. 3 of 3) | Arthur Schopenhauer | 19th century | English | September 26, 2012 | 1.0M | 40868 |
| The World English Bible (WEB): Ecclesiastes | Anonymous | Religion & theology | English | June 1, 2005 | 51.5K | 8248 |
| The World in Chains: Some Aspects of War and Trade | John Mavrogordato | Essays & miscellany | English | January 24, 2007 | 252.6K | 20435 |
| The World Order of Bahá’u’lláh | Shoghi Effendi | Essays & miscellany | English | September 2006 | 470.0K | 19298 |
| The World's Greatest Books — Volume 13 — Religion and Philosophy | — | Religion & theology | English | — | 654.2K | 13620 |
| The World's Greatest Books — Volume 14 — Philosophy and Economics | — | Essays & miscellany | English | April 6, 2008 | 687.4K | 25009 |
| The Worth of the Soul | Religious Tract Society | Religion & theology | English | May 17, 2020 | 34.7K | 62162 |
| The writings of Clement of Alexandria, Vol. 1 (of 2) | Saint of Alexandria Clement | Religion & theology | English | October 23, 2023 | 919.9K | 71937 |
| The writings of Clement of Alexandria, Vol. 2 (of 2) | Saint of Alexandria Clement | Religion & theology | English | February 22, 2024 | 1.3M | 73020 |
| The writings of Origen, Vol. 1 (of 2) | Origen | Essays & miscellany | English | April 15, 2023 | 1.0M | 70561 |
| The writings of Origen, Vol. 2 (of 2) | Origen | Essays & miscellany | English | May 3, 2023 | 1.5M | 70693 |
| The Writings of Thomas Jefferson, Vol. 7 (of 9) | Thomas Jefferson | Essays & miscellany | English | November 23, 2017 | 1.4M | 56035 |
| The Writings of Thomas Paine — Volume 2 (1779-1792): The Rights of Man | Thomas Paine | Essays & miscellany | English | February 1, 2003 | 559.2K | 3742 |
| The Writings of Thomas Paine — Volume 4 (1794-1796): The Age of Reason | Thomas Paine | Essays & miscellany | English | February 1, 2003 | 425.1K | 3743 |
| The year of jubilee; but not to Africans | Nathaniel S. Prime | Essays & miscellany | English | October 7, 2021 | 76.0K | 66487 |
| The Yoga Sutras of Patanjali: The Book of the Spiritual Man | Patañjali | Eastern & classical | English | February 1, 2001 | 195.4K | 2526 |
| The Yoga-Vasishtha Maharamayana of Valmiki, Vol 4 (of 4), Part 1 (of 2) | Valmiki | Eastern & classical | English | July 21, 2023 | 1.0M | 71248 |
| The Yoga-Vasishtha Maharamayana of Valmiki, Vol. 1 (of 4) | Valmiki | Eastern & classical | English | August 3, 2023 | 1.0M | 71326 |
| The Yoga-Vasishtha Maharamayana of Valmiki, Vol. 2 (of 4), Part 1 (of 2) | Valmiki | Eastern & classical | English | June 28, 2023 | 744.4K | 71063 |
| The Yoga-Vasishtha Maharamayana of Valmiki, Vol. 2 (of 4), Part 2 (of 2) | Valmiki | Eastern & classical | English | June 28, 2023 | 1.0M | 71064 |
| The Yoga-Vasishtha Maharamayana of Valmiki, Vol. 3 (of 4), Part 1 (of 2) | Valmiki | Eastern & classical | English | July 2, 2023 | 434.9K | 71095 |
| The Yoga-Vasishtha Maharamayana of Valmiki, Vol. 3 (of 4), Part 2 (of 2) | Valmiki | Eastern & classical | English | August 8, 2014 | 1.3M | 46531 |
| The Yoga-Vasishtha Maharamayana of Valmiki, Vol. 4 (of 4), Part 2 (of 2) | Valmiki | Eastern & classical | English | July 21, 2023 | 1.1M | 71249 |
| The Zen Experience | Thomas Hoover | Eastern & classical | English | November 14, 2010 | 590.8K | 34325 |
| Theaetetus | Plato | Ancient & classical | Dutch | November 12, 2023 | 381.2K | 72108 |
| Theaetetus | Plato | Ancient & classical | English | April, 1999 | 388.1K | 1726 |
| Their Yesterdays | Harold Bell Wright | Essays & miscellany | English | July 1, 2004 | 384.2K | 6105 |
| Theism and Humanism | Arthur James Balfour | Modern & 20th century | English | August 25, 2018 | 340.6K | 57773 |
| Theism or Atheism: The Great Alternative | Chapman Cohen | Essays & miscellany | English | May 2, 2008 | 346.4K | 25291 |
| Theism; being the Baird Lecture of 1876 | Robert Flint | Essays & miscellany | English | May 31, 2014 | 643.5K | 45850 |
| Theodicy | G. W. Leibniz | Early modern & Enlightenment | English | November 24, 2005 | 1.1M | 17147 |
| Theological Essays | — | Religion & theology | English | March 25, 2012 | 657.3K | 39266 |
| Theological Essays and Other Papers — Volume 1 | Thomas De Quincey | Religion & theology | English | July 1, 2004 | 526.7K | 6123 |
| Theologico-Political Treatise — Part 1 | Benedictus de Spinoza | Early modern & Enlightenment | English | July 1, 1997 | 194.4K | 989 |
| Theologico-Political Treatise — Part 2 | Benedictus de Spinoza | Early modern & Enlightenment | English | July 1, 1997 | 204.3K | 990 |
| Théologie hindoue. Le Kama soutra. (French) | — | Essays & miscellany | English | — | 604.2K | 14609 |
| Theology and the Social Consciousness | Henry Churchill King | Religion & theology | English | September 25, 2011 | 333.8K | 37531 |
| Theory & History of Historiography | Benedetto Croce | Modern & 20th century | English | May 2, 2017 | 553.2K | 54642 |
| Theosophy and Life's Deeper Problems | Annie Besant | Religion & theology | English | November 12, 2017 | 148.3K | 55940 |
| There is No Death | Florence Marryat | Essays & miscellany | English | March 20, 2012 | 594.5K | 39212 |
| Things to be Remembered in Daily Life | John Timbs | Essays & miscellany | English | May 11, 2017 | 682.0K | 54703 |
| Thinking as a Science | Henry Hazlitt | Essays & miscellany | English | May 31, 2018 | 289.4K | 57243 |
| Thirty Letters on Various Subjects, Vol. 1 (of 2) | William Jackson | Modern & 20th century | English | June 9, 2019 | 97.6K | 59710 |
| Thirty Letters on Various Subjects, Vol. 2 (of 2) | William Jackson | Modern & 20th century | English | June 9, 2019 | 103.0K | 59711 |
| This is not a story | Denis Diderot | Early modern & Enlightenment | English | December 2, 2010 | 67.5K | 34544 |
| This Misery of Boots | H. G. Wells | Essays & miscellany | English | November 13, 2016 | 60.3K | 53516 |
| This Simian World | Clarence Day | Essays & miscellany | English | August 11, 2008 | 111.5K | 26260 |
| This Simian World | Clarence Day | Essays & miscellany | English | November 1, 2004 | 107.6K | 6882 |
| This Troubled World | Eleanor Roosevelt | Essays & miscellany | English | June 29, 2021 | 63.6K | 65731 |
| Thomas Carlyle | Hector Macpherson | 19th century | English | May 31, 2010 | 231.8K | 32626 |
| Thomas Hariot, the Mathematician, the Philosopher and the Scholar | Henry Stevens | Essays & miscellany | English | February 1, 2004 | 262.1K | 5171 |
| Thomas Reid | Alexander Campbell Fraser | Early modern & Enlightenment | English | September 30, 2019 | 300.8K | 60399 |
| Thought-Forms | Annie Besant | Essays & miscellany | English | July 12, 2005 | 146.1K | 16269 |
| Thoughts I Met on the Highway | Ralph Waldo Trine | Conduct, society & education | English | May 15, 2006 | 52.5K | 18392 |
| Thoughts of Saint Thérèse of the Child Jesus | Saint de Lisieux Thérèse | Religion & theology | English | September 25, 2020 | 194.9K | 63294 |
| Thoughts of the servant of God, Thérèse of the Child Jesus | Saint de Lisieux Thérèse | Religion & theology | English | January 15, 2024 | 212.4K | 72720 |
| Thoughts on a Revelation | S. J. Jerram | Conduct, society & education | English | March 5, 2009 | 106.8K | 28256 |
| Thoughts on African Colonization | William Lloyd Garrison | Modern & 20th century | English | February 4, 2010 | 708.4K | 31178 |
| Thoughts on Art and Life | da Vinci Leonardo | Conduct, society & education | English | September 4, 2009 | 287.0K | 29904 |
| Thoughts on Life and Religion | F. Max Müller | Religion & theology | English | March 13, 2014 | 279.2K | 45122 |
| Thoughts on Man, His Nature, Productions and Discoveries | William Godwin | Modern & 20th century | English | December 1, 1996 | 680.4K | 743 |
| Thoughts on Religion | George John Romanes | Religion & theology | English | October 25, 2005 | 289.6K | 16942 |
| Thoughts on the Christian Religion, by a Deist | Anonymous | Religion & theology | English | October 8, 2012 | 69.1K | 40983 |
| Thoughts on the Education of Daughters | Mary Wollstonecraft | Conduct, society & education | English | February 21, 2022 | 110.9K | 67466 |
| Thoughts on the mechanism of societies | marquis de Charles Casaux | Conduct, society & education | English | July 1, 2024 | 541.7K | 73958 |
| Thoughts on the Necessity of Improving the Condition of the Slaves in the British Colonies | — | Conduct, society & education | English | — | 177.7K | 10386 |
| Thoughts out of Season, Part I | Friedrich Wilhelm Nietzsche | 19th century | English | April 9, 2016 | 374.7K | 51710 |
| Thoughts out of Season, Part I | Friedrich Wilhelm Nietzsche | 19th century | English | May 1, 2004 | 376.3K | 5652 |
| Thoughts Out of Season, Part II | Friedrich Wilhelm Nietzsche | 19th century | English | December 5, 2011 | 330.8K | 38226 |
| Thoughts upon slavery | John Wesley | Religion & theology | English | May 21, 2022 | 70.1K | 68144 |
| Thoughts: Selected from the writings of favorite authors | — | Conduct, society & education | English | December 23, 2022 | 158.2K | 69627 |
| Three Dialogues Between Hylas and Philonous in Opposition to Sceptics and Atheists | George Berkeley | Early modern & Enlightenment | English | December 1, 2003 | 224.6K | 4724 |
| Three Philosophical Poets: Lucretius, Dante, and Goethe | George Santayana | Ancient & classical | English | March 18, 2011 | 306.2K | 35612 |
| Three Prize Essays on American Slavery | R. B. Thurston | Conduct, society & education | English | May 19, 2010 | 184.6K | 32422 |
| Three Things | Elinor Glyn | Essays & miscellany | English | April 28, 2008 | 156.0K | 25215 |
| Through Nature to God | John Fiske | Religion & theology | English | December 22, 2010 | 207.3K | 34716 |
| Thus Spake Zarathustra- A Book for All and None | — | Essays & miscellany | English | — | 632.2K | 1998 |
| Timaeus | Plato | Ancient & classical | English | December, 1998 | 464.5K | 1572 |
| Time and Free Will: An Essay on the Immediate Data of Consciousness | Henri Bergson | Modern & 20th century | English | March 27, 2018 | 409.3K | 56852 |
| Time and Its Measurement | James Arthur | Modern & 20th century | English | February 7, 2014 | 146.1K | 44838 |
| Time and Tide by Weare and Tyne | John Ruskin | Essays & miscellany | English | February 6, 2010 | 289.8K | 31196 |
| Time and Time-Tellers | active 1857-1887 James W. Benson | Modern & 20th century | English | June 4, 2014 | 244.7K | 45883 |
| Tolerance | Hendrik Willem Van Loon | Essays & miscellany | English | November 25, 2024 | 666.4K | 74798 |
| Toleration and other essays | Voltaire | Early modern & Enlightenment | English | March 18, 2021 | 440.4K | 64858 |
| Tolstoy's interpretation of money and property | Milivoy S. Stanoyevich | Conduct, society & education | English | October 15, 2021 | 61.6K | 66544 |
| Tomlinsoniana | Baron Edward Bulwer Lytton Lytton | Essays & miscellany | English | November 26, 2004 | 65.2K | 7736 |
| Towards the Great Peace | — | Essays & miscellany | English | — | 408.7K | 10642 |
| Town and Country Sermons | Charles Kingsley | Religion & theology | English | March 10, 2004 | 488.1K | 11536 |
| Tractus de Hermaphrodites; Or, A Treatise of Hermaphrodites | — | Essays & miscellany | English | — | 76.8K | 13569 |
| Tradition, Principally with Reference to Mythology and the Law of Nations | Baron John Francis Arundell Arundell of Wardour | Essays & miscellany | English | October 15, 2014 | 1.0M | 47127 |
| Traduzione di Elia Morpurgo de' Discorsi Ebraici di Tolleranza e Felicità | — | Essays & miscellany | Italian | July 24, 2012 | 104.4K | 40326 |
| Tragic Sense Of Life | — | Essays & miscellany | English | — | 685.4K | 14636 |
| Traité de la Vérité de la Religion Chrétienne | Hugo Grotius | Religion & theology | French | April 30, 2005 | 649.1K | 15739 |
| Traité des eunuques | Charles Ancillon | Essays & miscellany | French | March 31, 2012 | 294.2K | 39320 |
| Traité sur la tolérance | Voltaire | Early modern & Enlightenment | French | February 19, 2013 | 275.6K | 42131 |
| Trait� du Pouvoir du Magistrat Politique sur les choses sacr�es | Hugo Grotius | Essays & miscellany | French | February 4, 2005 | 505.1K | 14905 |
| Transcendentalism in New England: A History | Octavius Brooks Frothingham | Essays & miscellany | English | February 17, 2012 | 675.3K | 38907 |
| Translations from Lucretius | Titus Lucretius Carus | Ancient & classical | English | December 12, 2020 | 200.1K | 64024 |
| Träume eines Geistersehers, erläutert durch Träume der Metaphysik | Immanuel Kant | Early modern & Enlightenment | German | May 10, 2011 | 171.5K | 36076 |
| Treatise on Parents and Children | Bernard Shaw | Essays & miscellany | English | March 22, 2006 | 244.6K | 908 |
| Trial of C. B. Reynolds For Blasphemy, at Morristown, N. J., May 1887: Defence | Robert Green Ingersoll | Essays & miscellany | English | November 22, 2011 | 135.3K | 38103 |
| Trial of the Witnesses of the Resurrection of Jesus | Thomas Sherlock | Religion & theology | English | May 1, 2004 | 181.6K | 5608 |
| Trials of war criminals before the Nuernberg military tribunals under control council law no. 10, volume I | Various | Essays & miscellany | English | June 13, 2017 | 2.6M | 54899 |
| Trials of war criminals before the Nuernberg military tribunals under control council law no. 10, volume II | Various | Essays & miscellany | English | June 14, 2017 | 2.2M | 54905 |
| Tribulat Bonhomet | Auguste, comte de Villiers de L'Isle-Adam | 19th century | French | December 26, 2005 | 226.6K | 17399 |
| Trois hommes: Pascal, Ibsen, Dostoïevski | André Suarès | Early modern & Enlightenment | French | August 23, 2021 | 427.2K | 66117 |
| Trois Stations de psychothérapie | Maurice Barrès | Essays & miscellany | French | February 14, 2020 | 81.8K | 61404 |
| True Christianity | Johann Arndt | Religion & theology | English | December 23, 2010 | 1.7M | 34736 |
| True Manliness | Thomas Hughes | Essays & miscellany | English | July 9, 2016 | 467.9K | 52534 |
| Truth and the Myth: Couplet Quips | A. R. Narayanan | Essays & miscellany | English | January 1, 2002 | 72.5K | 3009 |
| Tükör darabok az önismeret és emberismeret világából | Ede Tassy | Essays & miscellany | Hungarian | October 28, 2021 | 270.8K | 66624 |
| Tutkielmia: Valikoima | Michel de Montaigne | Early modern & Enlightenment | Finnish | April 21, 2014 | 755.2K | 45445 |
| Twelve Causes of Dishonesty | Henry Ward Beecher | Essays & miscellany | English | November 2, 2009 | 62.9K | 30392 |
| Twenty-Four Short Sermons On The Doctrine Of Universal Salvation | John Bovee Dods | Religion & theology | English | November 21, 2005 | 363.3K | 17122 |
| Two Dyaloges (c. 1549) | — | Essays & miscellany | English | — | 47.4K | 14500 |
| Two Old Faiths | J. Murray Mitchell and William Muir | Modern & 20th century | English | November 4, 2005 | 207.3K | 16996 |
| Two Tracts on Civil Liberty, the War with America, and the Debts and Finances of the Kingdom | Richard Price | Essays & miscellany | English | September 24, 2018 | 547.2K | 57970 |
| Über das Geistige in der Kunst, Insbesondere in der Malerei | Wassily Kandinsky | Essays & miscellany | German | July 6, 2014 | 210.1K | 46203 |
| Über den Bildungstrieb | Johann Friedrich Blumenbach | Essays & miscellany | German | May 2, 2020 | 105.5K | 61997 |
| Über die bürgerliche Verbesserung der Weiber | Theodor Gottlieb von Hippel | Essays & miscellany | German | January 7, 2017 | 458.8K | 53912 |
| Uber die Dichtkunst | Aristoteles | Ancient & classical | German | October 16, 2005 | 224.7K | 16880 |
| Uit de ontwikkelingsgeschiedenis van het Menschelijk Denken, Deel 1 van 2 | R. Casimir | Essays & miscellany | Dutch | November 2, 2017 | 573.7K | 55875 |
| Uit de ontwikkelingsgeschiedenis van het Menschelijk Denken, Deel 2 van 2 | R. Casimir | Essays & miscellany | Dutch | August 19, 2018 | 509.1K | 57730 |
| Unconscious Memory | Samuel Butler | Conduct, society & education | English | October 1, 2004 | 450.4K | 6605 |
| Union des sentences de philosophie | Anonymous | Essays & miscellany | French | March 30, 2025 | 108.7K | 75747 |
| Unity of Good | Mary Baker Eddy | Essays & miscellany | English | August 25, 2005 | 100.5K | 16591 |
| Universal Brotherhood, Volume XIII, No. 10, January 1899 | Various | Essays & miscellany | English | March 16, 2018 | 225.8K | 56761 |
| Universal Brotherhood, Volume XIII, No. 11, February 1899 | Various | Essays & miscellany | English | September 6, 2018 | 202.5K | 57855 |
| Universal peace—from a woman's standpoint | Bertha von Suttner | Essays & miscellany | English | November 29, 2022 | 49.5K | 69445 |
| Uranie | Camille Flammarion | Essays & miscellany | French | August 29, 2016 | 341.4K | 52933 |
| Uren met Schopenhauer | Arthur Schopenhauer | 19th century | Dutch | November 20, 2023 | 325.4K | 72184 |
| Use of the Dead to the Living | Southwood Smith | Essays & miscellany | English | December 12, 2018 | 124.2K | 58460 |
| Uskonto ja tiede | Harald Høffding | Essays & miscellany | Finnish | January 30, 2025 | 137.2K | 75249 |
| Uskovaisen sanoja | Félicité Robert de Lamennais | Essays & miscellany | Finnish | March 12, 2024 | 169.2K | 73151 |
| Usury; Or, Interest, Premium and Discount | S. H. Crittenden | Essays & miscellany | English | June 23, 2020 | 54.0K | 62459 |
| Utopia | Saint Thomas More | Religion & theology | German | October 20, 2008 | 302.0K | 26971 |
| Utopia | Saint Thomas More | Religion & theology | English | April 1, 2000 | 255.6K | 2130 |
| Vajra-chhediká, the "Kin Kong King," or Diamond Sútra | Unknown | Essays & miscellany | English | February 25, 2021 | 69.3K | 64622 |
| Valerius Terminus: Of the Interpretation of Nature | Francis Bacon | Early modern & Enlightenment | English | June 1, 2002 | 305.5K | 3290 |
| Valitut teokset 1910-1922 (Finnish) | — | Essays & miscellany | English | — | 626.2K | 13428 |
| Vanhuudesta | Marcus Tullius Cicero | Ancient & classical | Finnish | January 4, 2017 | 115.3K | 53886 |
| Vanishing Landmarks: The Trend Toward Bolshevism | Leslie M. Shaw | Essays & miscellany | English | July 23, 2014 | 305.7K | 46380 |
| Vankeuteni | Silvio Pellico | Essays & miscellany | Finnish | August 3, 2018 | 366.3K | 57633 |
| Vapaudesta | John Stuart Mill | 19th century | Finnish | March 24, 2016 | 313.3K | 51543 |
| Venere ed Imene al tribunale della penitenza: manuale dei confessori | Jean Baptiste Bouvier | Essays & miscellany | Italian | October 23, 2005 | 331.4K | 16920 |
| Venus. To the Venus of Melos | Auguste Rodin | Essays & miscellany | English | June 5, 2019 | 35.5K | 59680 |
| Vergänglichkeit | Sigmund Freud | Modern & 20th century | German | July 26, 2009 | 27.3K | 29514 |
| Versuch einer Kritik aller Offenbarung | Johann Gottlieb Fichte | 19th century | German | April 25, 2006 | 362.1K | 18255 |
| Viamos e não veremos | Anonymous | Essays & miscellany | Portuguese | February 27, 2007 | 58.8K | 20701 |
| Victory out of Ruin | Norman Maclean | Essays & miscellany | English | September 4, 2010 | 191.1K | 33637 |
| Vida de Don Quijote y Sancho | Miguel de Unamuno | Modern & 20th century | Spanish | February 26, 2025 | 583.3K | 75472 |
| Vier Voordrachten over Theosofie (Dutch) | — | Essays & miscellany | English | — | 138.8K | 12756 |
| Viettelijän päiväkirja | Søren Kierkegaard | 19th century | Finnish | May 19, 2016 | 367.7K | 52109 |
| Viisauden sanoja: Mieleen pantavia kertoelmia | C. H. Spurgeon | Essays & miscellany | Finnish | November 17, 2018 | 152.9K | 58297 |
| Viisaus ja kohtalo | Maurice Maeterlinck | Essays & miscellany | Finnish | December 5, 2020 | 323.9K | 63961 |
| Vivisection | Albert Leffingwell | Essays & miscellany | English | April 17, 2010 | 117.0K | 32033 |
| Vojaĝo interne de mia ĉambro | Xavier de Maistre | Essays & miscellany | Esperanto | May 12, 2008 | 129.3K | 25539 |
| Voltaire: A Sketch of His Life and Works | J. M. Wheeler | Early modern & Enlightenment | English | March 10, 2012 | 198.5K | 39124 |
| Voltaire's Philosophical Dictionary | Voltaire | Early modern & Enlightenment | English | June 12, 2006 | 509.6K | 18569 |
| Vom Musikalisch-Schönen | Eduard Hanslick | Essays & miscellany | German | October 18, 2008 | 285.1K | 26949 |
| Von der Macht des Gemüts, durch den bloßen Vorsatz seiner krankhaften Gefühle Meister zu sein | Immanuel Kant | Early modern & Enlightenment | German | December 13, 2011 | 91.4K | 38295 |
| Von der Seele | Carl Ludwig Schleich | Essays & miscellany | German | February 15, 2005 | 456.0K | 15070 |
| Wackenroders "Herzensergießungen eines kunstliebenden Klosterbruders" in ihrem Verhältnis zu Vasari | Ernst Dessauer | Essays & miscellany | German | January 29, 2012 | 169.0K | 38707 |
| War and the Weird | Forbes Phillips | Essays & miscellany | English | April 10, 2008 | 231.3K | 25037 |
| War Inconsistent with the Religion of Jesus Christ | David Low Dodge | Religion & theology | English | April 16, 2011 | 318.1K | 35883 |
| War—What For? | George R. Kirkpatrick | Essays & miscellany | English | November 10, 2018 | 763.4K | 58266 |
| Warum wir sterben | Alejandro Lipschütz | Essays & miscellany | German | February 15, 2008 | 208.5K | 24618 |
| Was heißt: sich im Denken orientieren? | Immanuel Kant | Early modern & Enlightenment | German | February 3, 2012 | 59.7K | 38754 |
| Was Man Created? | Henry A. Mott | Essays & miscellany | English | November 8, 2009 | 215.8K | 30429 |
| Watson Refuted | Samuel W. Francis | Essays & miscellany | English | October 8, 2012 | 193.0K | 40978 |
| We moderns | Edwin Muir | Essays & miscellany | English | October 11, 2016 | 251.6K | 53261 |
| We Philologists, Volume 8 (of 18) | Friedrich Nietzsche | 19th century | English | April 27, 2006 | 134.2K | 18267 |
| Weiberhaß und Weiberverachtung | Grete Meisel-Hess | Essays & miscellany | German | March 21, 2010 | 153.5K | 31727 |
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| Westminster Sermons | Charles Kingsley | Religion & theology | English | May 10, 2006 | 510.7K | 18369 |
| What All The World's A-Seeking | — | Essays & miscellany | English | — | 246.3K | 14312 |
| What and Where is God? A Human Answer to the Deep Religious Cry of the Modern Soul | Richard La Rue Swain | Religion & theology | English | July 1, 2011 | 398.8K | 36572 |
| What Does History Teach? | John Stuart Blackie | Conduct, society & education | English | August 14, 2017 | 145.7K | 55354 |
| What Have the Greeks Done for Modern Civilisation? | J. P. Mahaffy | Ancient & classical | English | March 26, 2019 | 370.9K | 59132 |
| What I believe | Bertrand Russell | Modern & 20th century | English | June 6, 2024 | 93.4K | 73782 |
| What Is and What Might Be | Edmond Holmes | Essays & miscellany | English | February 10, 2007 | 519.6K | 20555 |
| What Is Art? | graf Leo Tolstoy | Essays & miscellany | English | March 23, 2021 | 501.7K | 64908 |
| What Is Christian Science? | M. M. Mangasarian | Religion & theology | English | April 24, 2014 | 126.2K | 45481 |
| What is Darwinism? | Charles Hodge | Essays & miscellany | English | September 6, 2006 | 259.3K | 19192 |
| What Is Man? and Other Essays | Mark Twain | Essays & miscellany | English | September 13, 2004 | 554.2K | 70 |
| What is Property? An Inquiry into the Principle of Right and of Government | P.-J. Proudhon | Essays & miscellany | English | November 1, 1995 | 927.9K | 360 |
| What is truth? | W. D. Wattles | Essays & miscellany | English | July 11, 2025 | 56.9K | 76483 |
| What Nietzsche Taught | Willard Huntington Wright | 19th century | English | November 28, 2016 | 560.1K | 53622 |
| What the White Race May Learn from the Indian | George Wharton James | Modern & 20th century | English | November 15, 2016 | 351.9K | 53532 |
| What to Do? Thoughts Evoked By the Census of Moscow | graf Leo Tolstoy | Conduct, society & education | English | November 1, 2002 | 267.9K | 3541 |
| What to Do? Thoughts Evoked by the Census of Moscow | graf Leo Tolstoy | Conduct, society & education | English | January 1, 2003 | 462.1K | 3630 |
| What Was the Religion of Shakespeare? | M. M. Mangasarian | Religion & theology | English | April 1, 2014 | 58.4K | 45293 |
| What’s Wrong With The World | G.K. Chesterton | Essays & miscellany | English | April, 1999 | 355.2K | 1717 |
| When a Man Comes to Himself | Woodrow Wilson | Essays & miscellany | English | February 1, 2004 | 45.7K | 5078 |
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| Which Shall Live—Men or Animals? | Ernest Harold Baynes | Essays & miscellany | English | July 31, 2021 | 38.5K | 65970 |
| Whither? | Anonymous | Essays & miscellany | English | March 16, 2025 | 76.5K | 75631 |
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| Why I Am a Vegetarian | J. Howard Moore | Modern & 20th century | English | February 16, 2020 | 55.6K | 61396 |
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| Why Men Fight: A method of abolishing the international duel | Bertrand Russell | Modern & 20th century | English | September 23, 2017 | 342.8K | 55610 |
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| Widger's Quotations from the Project Gutenberg Editions of the Works of Montaigne | Michel de Montaigne | Early modern & Enlightenment | English | January 1, 2003 | 167.4K | 3661 |
| Widger's Quotes and Images from An Attic Philosopher in Paris by Émile Souvestre | Émile Souvestre | Essays & miscellany | English | July 13, 2009 | 22.6K | 7584 |
| Widger's Quotes and Images from Cosmopolis by Paul Bourget | Paul Bourget | Essays & miscellany | English | July 13, 2009 | 21.2K | 7570 |
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| Wild Apples | Henry David Thoreau | Essays & miscellany | English | May 1, 2003 | 72.1K | 4066 |
| Winds Of Doctrine | George Santayana | Modern & 20th century | English | February 16, 2006 | 377.5K | 17771 |
| Wise or Otherwise | Lydia Leavitt | Essays & miscellany | English | June 14, 2005 | 76.7K | 16065 |
| Wissenschaft der Logik — Band 1 | Georg Wilhelm Friedrich Hegel | 19th century | German | October 1, 2004 | 1.3M | 6729 |
| Wissenschaft der Logik — Band 2 | Georg Wilhelm Friedrich Hegel | 19th century | German | November 1, 2004 | 741.0K | 6834 |
| Within You is the Power | Henry Thomas Hamblin | Essays & miscellany | English | January 1, 2005 | 147.0K | 7224 |
| Without Prejudice | Israel Zangwill | Essays & miscellany | English | August 1, 2004 | 786.4K | 6304 |
| Woman | Anthony M. Ludovici | Essays & miscellany | English | October 4, 2023 | 814.5K | 71805 |
| Woman and Socialism | August Bebel | Essays & miscellany | English | October 30, 2014 | 1.1M | 47244 |
| Woman and the New Race | Margaret Sanger | Essays & miscellany | English | August 1, 2005 | 273.9K | 8660 |
| Women: an inquiry | Willa Muir | Conduct, society & education | English | June 27, 2025 | 85.8K | 76398 |
| Writings in Connection with the Donatist Controversy | Saint of Hippo Augustine | Medieval & scholastic | English | May 31, 2014 | 1.2M | 45843 |
| Yhteiskunnallisen kysymyksen ydinkohdat | Rudolf Steiner | Essays & miscellany | Finnish | February 2, 2014 | 260.2K | 44821 |
| Yhteiskuntasopimuksesta, eli, Valtio-oikeuden johtavat aatteet | Jean-Jacques Rousseau | Early modern & Enlightenment | Finnish | November 25, 2016 | 359.9K | 53593 |
| Yoga as philosophy and religion | Surendranath Dasgupta | Eastern & classical | English | August 13, 2024 | 417.2K | 74250 |
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| Young's Night Thoughts | Edward Young | Conduct, society & education | English | July 14, 2010 | 575.4K | 33156 |
| Youth and Egolatry | Pío Baroja | Conduct, society & education | English | May 1, 2005 | 277.0K | 8148 |
| Youth and Life | Randolph Silliman Bourne | Conduct, society & education | English | March 14, 2022 | 421.1K | 67628 |
| Zadig | Voltaire | Early modern & Enlightenment | English | August 3, 2006 | 195.3K | 18972 |
| Zadig, ó El Destino, Historia Oriental | Voltaire | Eastern & classical | Spanish | June 1, 2004 | 166.2K | 5985 |
| Zadig, ou la Destinée, histoire orientale | Voltaire | Eastern & classical | French | November 1, 2003 | 182.4K | 4647 |
| Zen Buddhism, and Its Relation to Art | Arthur Waley | Eastern & classical | English | July 21, 2013 | 67.5K | 43273 |
| Zerbin, oder die neuere Philosophie | Jakob Michael Reinhold Lenz | Essays & miscellany | German | November 1, 2004 | 75.8K | 6835 |
| Zones of the Spirit: A Book of Thoughts | August Strindberg | Religion & theology | English | November 6, 2013 | 384.9K | 44118 |
| Zoölogische Philosophie | Jean Baptiste Pierre Antoine de Monet de Lamarck | Essays & miscellany | Dutch | December 30, 2008 | 420.3K | 27664 |
| Zum ewigen Frieden: Ein philosophischer Entwurf | Immanuel Kant | Early modern & Enlightenment | German | September 16, 2014 | 136.1K | 46873 |
| Zur Männerfrage! | Clara Schachne | Essays & miscellany | German | February 7, 2021 | 57.7K | 64484 |
| Zur neuen Lehre: Betrachtungen | H. Druskowitz | Essays & miscellany | German | February 12, 2021 | 105.7K | 64533 |
| Zweierlei Denken: Ein Beitrag zur Physiologie des Denkens | August Büttner | Essays & miscellany | German | September 23, 2007 | 58.8K | 22738 |
| Αθηναίων Πολιτεία | Aristotle | Ancient & classical | Greek | June 10, 2012 | 452.0K | 39963 |
| Αι δύο διαθήκαι | Polyvios Demetrakopoulos | Religion & theology | Greek | June 13, 2010 | 308.3K | 32796 |
| Απολογία Σωκράτους | Plato | Ancient & classical | Greek | April 16, 2012 | 237.8K | 39462 |
| Ερυξίας, Αξίοχος, Αλκυών | Plato | Ancient & classical | Greek | December 23, 2009 | 136.7K | 30741 |
| Ευθύδημος | Plato | Ancient & classical | Greek | February 25, 2010 | 216.2K | 31402 |
| Ευθύφρων | Plato | Ancient & classical | Greek | December 24, 2009 | 158.8K | 30748 |
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| Ηθικά Νικομάχεια, Τόμος Δεύτερος | Aristotle | Ancient & classical | Greek | May 31, 2009 | 387.3K | 29011 |
| Ηθικά Νικομάχεια, Τόμος Πρώτος | Aristotle | Ancient & classical | Greek | April 27, 2009 | 527.4K | 28626 |
| Θεαίτητος | Plato | Ancient & classical | Greek | January 20, 2011 | 395.3K | 35020 |
| Ιππίας, Μείζων και Ελάσσων | Plato | Ancient & classical | Greek | January 8, 2011 | 295.5K | 34880 |
| Κρατύλος | Plato | Ancient & classical | Greek | January 8, 2011 | 317.3K | 34879 |
| Κριτίας, Ίππαρχος, Αντερασταί | Plato | Ancient & classical | Greek | February 25, 2010 | 192.7K | 31400 |
| Λουκιανός - Άπαντα, Τόμος Έκτος | of Samosata Lucian | Ancient & classical | Greek | April 25, 2009 | 603.1K | 28606 |
| Λουκιανός - Άπαντα, Τόμος Πέμπτος | of Samosata Lucian | Ancient & classical | Greek | February 27, 2009 | 479.5K | 28202 |
| Μενέξενоς | Plato | Ancient & classical | Greek | May 5, 2012 | 112.3K | 39633 |
| Μένων | Plato | Ancient & classical | Greek | January 8, 2011 | 171.4K | 34881 |
| Μικρά Φυσικά, Τόμος Δεύτερος | Aristotle | Ancient & classical | Greek | January 26, 2009 | 264.6K | 27896 |
| Μικρά Φυσικά, Τόμος Πρώτος | Aristotle | Ancient & classical | Greek | January 26, 2009 | 293.3K | 27895 |
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| Νόμοι και Επινομίς, Τόμος B | Plato | Ancient & classical | Greek | May 15, 2011 | 393.8K | 36116 |
| Νόμοι και Επινομίς, Τόμος Α | Plato | Ancient & classical | Greek | May 12, 2011 | 319.9K | 36088 |
| Νόμοι και Επινομίς, Τόμος Γ | Plato | Ancient & classical | Greek | May 22, 2011 | 375.6K | 36191 |
| Νόμοι και Επινομίς, Τόμος Δ | Plato | Ancient & classical | Greek | May 30, 2011 | 336.0K | 36284 |
| Νόμοι και Επινομίς, Τόμος Ε | Plato | Ancient & classical | Greek | May 29, 2011 | 273.4K | 36262 |
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| Περί Ψυχής | Aristotle | Ancient & classical | Greek | January 15, 2009 | 542.8K | 27816 |
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| Πολιτεία, Τόμος 1 | Plato | Ancient & classical | Greek | April 18, 2012 | 319.1K | 39476 |
| Πολιτεία, Τόμος 2 | Plato | Ancient & classical | Greek | April 20, 2012 | 439.6K | 39493 |
| Πολιτεία, Τόμος 3 | Plato | Ancient & classical | Greek | April 24, 2012 | 287.3K | 39524 |
| Πολιτεία, Τόμος 4 | Plato | Ancient & classical | Greek | April 24, 2012 | 382.9K | 39530 |
| Πολιτικός | Plato | Ancient & classical | Greek | January 9, 2011 | 298.4K | 34896 |
| Πρωταγόρας | Plato | Ancient & classical | Greek | January 2, 2011 | 317.2K | 34820 |
| Σοφιστής | Plato | Ancient & classical | Greek | January 13, 2011 | 280.2K | 34951 |
| Στοχασμοί | Oscar Wilde | Religion & theology | Greek | December 28, 2010 | 707.0K | 34767 |
| Συμπόσιον : ή περί έρωτος | Plato | Ancient & classical | Greek | April 7, 2011 | 362.4K | 35789 |
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| Τίμαιος, Τόμος Β | Plato | Ancient & classical | Greek | May 6, 2011 | 302.9K | 36049 |
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| 五孝傳 | Qian Tao | Eastern & classical | Chinese | November 25, 2009 | 26.5K | 30544 |
| 人物志 | active 3rd century Shao Liu | Eastern & classical | Chinese | January 1, 2005 | 62.0K | 7217 |
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| 傳習錄 | Yangming Wang | Eastern & classical | Chinese | May 18, 2008 | 258.3K | 25517 |
| 公孫龍子 | active 3rd century B.C. Long Gongsun | Eastern & classical | Chinese | January 1, 2005 | 31.7K | 7216 |
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| 司馬法 | active 4th century B.C. Rangju Sima | Eastern & classical | Chinese | April 25, 2008 | 32.9K | 25167 |
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| 商子 | Yang Shang | Eastern & classical | Chinese | January 1, 2005 | 93.3K | 7383 |
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| 夢溪筆談, Volume 01-06 | Kuo Shen | Eastern & classical | Chinese | January 1, 2005 | 87.4K | 7312 |
| 夢溪筆談, Volume 01-26 | Kuo Shen | Eastern & classical | Chinese | January 1, 2005 | 330.4K | 7317 |
| 夢溪筆談, Volume 07-10 | Kuo Shen | Eastern & classical | Chinese | January 1, 2005 | 78.1K | 7313 |
| 夢溪筆談, Volume 17-21 | Kuo Shen | Eastern & classical | Chinese | January 1, 2005 | 86.4K | 7315 |
| 大唐新語 | active 806-820 Su Liu | Eastern & classical | Chinese | May 2, 2008 | 258.7K | 25280 |
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| 幽夢影 — Part 2 | Chao Zhang | Eastern & classical | Chinese | February 1, 2005 | 57.4K | 7419 |
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| 文子 | Jian Xing | Eastern & classical | Chinese | December 14, 2007 | 165.5K | 23854 |
| 文子 | Unknown | Eastern & classical | Chinese | October 11, 2008 | 160.5K | 26876 |
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| 文淵閣四庫全書 | Various | Eastern & classical | Chinese | January 1, 2005 | 374.0K | 7221 |
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| 明夷待訪錄 | Zongxi Huang | Eastern & classical | Chinese | December 14, 2007 | 85.8K | 23855 |
| 易經 | Anonymous | Eastern & classical | Chinese | May 17, 2008 | 110.9K | 25501 |
| 春秋繁露 | active 2nd century B.C. Zhongshu Dong | Eastern & classical | Chinese | May 8, 2008 | 201.1K | 25385 |
| 晁氏儒言 一卷 | Yuezhi Chao | Eastern & classical | Chinese | June 22, 2013 | 47.1K | 43014 |
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| 東度記 | active 17th century Qingxidaoren | Eastern & classical | Chinese | January 10, 2008 | 1.3M | 24233 |
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| 禮記 | Anonymous | Eastern & classical | Chinese | December 27, 2007 | 389.3K | 24048 |
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| 管子 | Zhong Guan | Eastern & classical | Chinese | January 1, 2005 | 230.7K | 7367 |
| 管子 — Volume 01 : Chapters 1-5 | Zhong Guan | Eastern & classical | Chinese | February 1, 2005 | 47.2K | 7483 |
| 管子 — Volume 02 : Chapters 6-10 | Zhong Guan | Eastern & classical | Chinese | February 1, 2005 | 51.6K | 7484 |
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| 茶經 | Yu Lu | Eastern & classical | Chinese | February 1, 2005 | 42.5K | 7406 |
| 荀子集解 | Xianqian Wang | Eastern & classical | Chinese | May 3, 2008 | 293.0K | 25314 |
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| 菜根譚 | active 1596 Zicheng Hong | Eastern & classical | Chinese | December 27, 2007 | 47.0K | 24050 |
| 菜根譚前後集 | active 1596 Zicheng Hong | Eastern & classical | Chinese | December 26, 2007 | 28.5K | 24040 |
| 蘇洵集 | Xun Su | Eastern & classical | Chinese | May 3, 2008 | 333.8K | 25321 |
| 說苑 | Xiang Liu | Eastern & classical | Chinese | January 1, 2005 | 417.4K | 7332 |
| 說苑, Volume 1-4 | Xiang Liu | Eastern & classical | Chinese | January 1, 2005 | 90.0K | 7327 |
| 說苑, Volume 13-16 | Xiang Liu | Eastern & classical | Chinese | January 1, 2005 | 89.4K | 7330 |
| 說苑, Volume 17-20 | Xiang Liu | Eastern & classical | Chinese | January 1, 2005 | 112.7K | 7331 |
| 說苑, Volume 5-8 | Xiang Liu | Eastern & classical | Chinese | January 1, 2005 | 101.0K | 7328 |
| 說苑, Volume 9-12 | Xiang Liu | Eastern & classical | Chinese | January 1, 2005 | 101.5K | 7329 |
| 論衡 | Chong Wang | Eastern & classical | Chinese | May 9, 2008 | 627.6K | 25397 |
| 論語 | Confucius | Eastern & classical | Chinese | December 13, 2007 | 86.5K | 23839 |
| 貞觀政要 | Jing Wu | Eastern & classical | Chinese | April 30, 2008 | 249.6K | 25252 |
| 貞觀政要 | Jing Wu | Eastern & classical | Chinese | May 6, 2008 | 256.6K | 25347 |
| 賈誼新書 | Yi Jia | Eastern & classical | Chinese | December 11, 2007 | 169.8K | 23814 |
| 近思錄 | Xi Zhu | Eastern & classical | Chinese | December 13, 2007 | 167.3K | 23840 |
| 近思錄 | Xi Zhu | Eastern & classical | Chinese | April 30, 2008 | 176.4K | 25249 |
| 道德經 | Laozi | Eastern & classical | Chinese | January 1, 2005 | 40.6K | 7337 |
| 郁離子 | Ji Liu | Eastern & classical | Chinese | May 2, 2008 | 172.2K | 25298 |
| 鄧析子 | Xi Deng | Eastern & classical | Chinese | January 1, 2005 | 31.0K | 7215 |
| 金剛般若波羅蜜經 | — | Eastern & classical | Chinese | January 1, 2008 | 39.6K | 24098 |
| 關尹子 | active 6th century B.C. Xi Yin | Eastern & classical | Chinese | April 25, 2008 | 60.4K | 25169 |
| 雞肋編 | Chuo Zhuang | Eastern & classical | Chinese | December 3, 2008 | 210.9K | 27398 |
| 韓詩外傳 | active 150 B.C. Ying Han | Eastern & classical | Chinese | December 19, 2007 | 196.6K | 23909 |
| 韓詩外傳, Complete | active 150 B.C. Ying Han | Eastern & classical | Chinese | January 1, 2005 | 212.8K | 7290 |
| 韓詩外傳, Vol. 1-2 | active 150 B.C. Ying Han | Eastern & classical | Chinese | January 1, 2005 | 55.1K | 7285 |
| 韓詩外傳, Vol. 3-4 | active 150 B.C. Ying Han | Eastern & classical | Chinese | January 1, 2005 | 63.7K | 7286 |
| 韓詩外傳, Vol. 5-6 | active 150 B.C. Ying Han | Eastern & classical | Chinese | January 1, 2005 | 56.2K | 7287 |
| 韓詩外傳, Vol. 7-8 | active 150 B.C. Ying Han | Eastern & classical | Chinese | January 1, 2005 | 59.9K | 7288 |
| 韓詩外傳, Vol. 9-10 | active 150 B.C. Ying Han | Eastern & classical | Chinese | January 1, 2005 | 55.1K | 7289 |
| 韩非子 | Fei Han | Eastern & classical | Chinese | December 27, 2007 | 414.2K | 24049 |
| 顔氏家訓 | Zhitui Yan | Eastern & classical | Chinese | May 7, 2008 | 143.4K | 25365 |
| 顔氏家訓 | Zhitui Yan | Eastern & classical | Chinese | February 1, 2005 | 145.7K | 7458 |
| 顔氏家訓 — Volume 01 and 02 | Zhitui Yan | Eastern & classical | Chinese | February 1, 2005 | 51.6K | 7454 |
| 顔氏家訓 — Volume 03 and 04 | Zhitui Yan | Eastern & classical | Chinese | February 1, 2005 | 56.8K | 7455 |
| 顔氏家訓 — Volume 05 and 06 | Zhitui Yan | Eastern & classical | Chinese | February 1, 2005 | 62.6K | 7456 |
| 顔氏家訓 — Volume 07 | Zhitui Yan | Eastern & classical | Chinese | February 1, 2005 | 33.4K | 7457 |
| 高士傳 | Mi Huangfu | Eastern & classical | Chinese | December 21, 2007 | 74.4K | 23948 |
| 鬼谷子 | active 4th century B.C. Guiguzi | Eastern & classical | Chinese | April 25, 2008 | 49.9K | 25168 |
| 鬼谷子 | active 4th century B.C. Guiguzi | Eastern & classical | Chinese | January 1, 2005 | 50.1K | 7209 |
| 鹽鐵論 | active 1st century B.C. Kuan Huan | Eastern & classical | Chinese | October 14, 2008 | 201.9K | 26920 |
| 黄帝宅經 | Unknown | Eastern & classical | Chinese | January 21, 2009 | 39.7K | 27858 |
| 墨子 | Di Mo | Eastern & classical | Chinese | January 11, 2008 | 360.2K | 24240 |