| Love's Final Victory | | Horatio | |
| Ethics ? Part 5 | Benedictus de | Spinoza | 1632 |
| Ethics ? Part 4 | Benedictus de | Spinoza | 1632 |
| An Enquiry Concerning Human Understanding | David | Hume | 1711 |
| Ethics ? Part 3 | Benedictus de | Spinoza | 1632 |
| The Praise of Folly | Desiderius | Erasmus | 1469 |
| Initiation into Philosophy | mile | Faguet | 1847 |
| Treatise on Parents and Children | George Bernard | Shaw | 1856 |
| The System of Nature, Volume 2 | baron d Paul Henri Thiry | Holbach | 1723 |
| Gallantry Dizain des Fetes Galantes | James Branch | Cabell | 1879 |
| Specimens of the Table Talk of Samuel Taylor Coleridge | Samuel Taylor | Coleridge | 1772 |
| A Traveler from Altruria: Romance | William Dean | Howells | 1837 |
| Lectures of Col. R. G. Ingersoll - Latest | R. G. (Robert Green) | Ingersoll | 1833 |
| Through the Eye of the Needle A Romance | William Dean | Howells | 1837 |
| Gulliver's Travels | Jonathan | Swift | 1667 |
| A Series of Letters in Defence of Divine Revelation | Hosea | Ballou | 1771 |
| Democracy in America ? Volume 2 | Alexis de | Tocqueville | 1805 |
| The Female Gamester A Tragedy | Gorges Edmond | Howard | 1715 |
| Parisians, the ? Volume 05 | Baron Edward Bulwer Lytton | Lytton | 1803 |
| To Infidelity and Back | Henry F. (Henry Frey) | Lutz | |
| Thoughts on Man, His Nature, Productions and Discoveries Interspersed with Some Particulars Respecting the Author | William | Godwin | 1756 |
| Rasselas, Prince of Abyssinia | Samuel | Johnson | 1709 |
| The suppressed Gospels and Epistles of the original New Testament of Jesus the Christ, Volume 2, the Protevanglion | William | Wake | 1657 |
| Public Opinion | Walter | Lippmann | 1889 |
| Letters of Robert Louis Stevenson ? Volume 2 | Robert Louis | Stevenson | 1850 |
| Cecilia; Or, Memoirs of an Heiress ? Volume 1 | Fanny | Burney | 1752 |
| Letters of Robert Louis Stevenson ? Volume 1 | Robert Louis | Stevenson | 1850 |
| Life and Habit | Samuel | Butler | 1835 |
| Religio Medici, Hydriotaphia, and the Letter to a Friend | Sir Thomas | Browne | 1605 |
| The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology) | | Various | |
| Fundamental Principles of the Metaphysic of Morals | Immanuel | Kant | 1724 |
| The Critique of Practical Reason | Immanuel | Kant | 1724 |
| Literary and Philosophical Essays: French, German and Italian | | | |
| Shakespeare, Bacon, and the Great Unknown | Andrew | Lang | 1844 |
| Meaning of Truth | William | James | 1842 |
| Three Dialogues Between Hylas and Philonous | George | Berkeley | 1685 |
| A Treatise Concerning the Principles of Human Knowledge | George | Berkeley | 1685 |
| A Treatise of Human Nature | David | Hume | 1711 |
| Letters from an American Farmer | J. Hector | St. John de Cr vecoeur | 1735 |
| In the South Seas | Robert Louis | Stevenson | 1850 |
| The Selections from the Principles of Philosophy | Ren | Descartes | 1596 |
| Wisdom and Destiny | Maurice | Maeterlinck | 1862 |
| Familiar Studies of Men and Books | Robert Louis | Stevenson | 1850 |
| An Essay on the Principle of Population | T. R. (Thomas Robert) | Malthus | 1766 |
| First and Last Things | H. G. (Herbert George) | Wells | 1866 |
| Volpone; Or, the Fox | Ben | Jonson | 1573 |
| Epicoene: Or, the Silent Woman | Ben | Jonson | 1573 |
| Vailima Letters | Robert Louis | Stevenson | 1850 |
| Ethics | Benedictus de | Spinoza | 1632 |
| Writings of Thomas Paine ? Volume 4 (1794-1796): the Age of Reason | Thomas | Paine | 1737 |
| Egypt (La Mort de Philae) | Pierre | Loti | 1850 |
| The Confessions of St. Augustine | Bishop of Hippo Saint | Augustine | 354 |
| St. Ives, Being the Adventures of a French Prisoner in England | Robert Louis | Stevenson | 1850 |
| Table Talk | William | Hazlitt | 1778 |
| Meditations | Emperor of Rome | Marcus Aurelius | 121 |
| Life and Letters of Lord Macaulay Volume 1 | Sir George Otto | Trevelyan | 1838 |
| Mr.Gladstone and Genesis | Thomas Henry | Huxley | 1825 |
| God the Known and God the Unknown | Samuel | Butler | 1835 |
| Critical and Historical Essays ? Volume 2 | Baron Thomas Babington Macaulay | Macaulay | 1800 |
| As A Chinaman Saw Us Passages from his Letters to a Friend at Home | | Anonymous | |
| The Book of the Damned | Charles | Fort | |
| Contributions to the Theory of Natural Selection A Series of Essays | Alfred Russel | Wallace | 1823 |
| Morality as a Religion An exposition of some first principles | W. R. Washington | Sullivan | |
| Miscellaneous Writings and Speeches ? Volume 4 | Baron Thomas Babington Macaulay | Macaulay | 1800 |
| Life And Adventures Of Peter Wilkins, Vol. I. (of II.) | Robert | Paltock | |
| The Works of Edgar Allan Poe ? Volume 4 | Edgar Allan | Poe | 1809 |
| Memoirs of the Courts and Cabinets of George the Third From the Original Family Documents, Volume 1 (of 2) | | | |
| The Writings of Samuel Adams - Volume 4 | Samuel | Adams | 1722 |
| The Writings of Samuel Adams - Volume 3 | Samuel | Adams | 1722 |
| The Writings of Samuel Adams - Volume 2 | Samuel | Adams | 1722 |
| The Necessity of Atheism | David Marshall | Brooks | 1902 |
| Selections from Previous Works and Remarks on Romanes' Mental Evolution in Animals | Samuel | Butler | 1835 |
| The Coming Race | Baron Edward Bulwer Lytton | Lytton | 1803 |
| The Discovery of a World in the Moone Or, A Discovrse Tending To Prove That 'Tis Probable There May Be Another Habitable World | John | Wilkins | 1614 |
| A Candid Examination of Theism | George John | Romanes | 1848 |
| Autobiography and Letters of Orville Dewey, D.D. Edited by his Daughter | Orville | Dewey | 1794 |
| Hume (English Men of Letters Series) | Thomas Henry | Huxley | 1825 |
| The Campaigns of the British Army at Washington and New Orleans 1814-1815 | G. R. (George Robert) | Gleig | 1796 |
| Froude's Essays in Literature and History With Introduction by Hilaire Belloc | James Anthony | Froude | 1818 |
| Winds Of Doctrine Studies in Contemporary Opinion | George | Santayana | 1863 |
| Lectures on Language As Particularly Connected with English Grammar. | William Stevens | Balch | 1806 |
| Is Life Worth Living? | William Hurrell | Mallock | 1849 |
| History of Science, a ? Volume 1 | | | |
| Thoughts on Religion | George John | Romanes | 1848 |
| The Eclipse of Faith Or, A Visit To A Religious Sceptic | Henry | Rogers | 1806 |
| Probabilities The Complete Prose Works of Tupper, Volume 6 (of 6) | Martin Farquhar | Tupper | 1810 |
| The Egoist | George | Meredith | 1828 |
| Blackwood's Edinburgh Magazine ? Volume 54, No. 337, November, 1843 | | Various | |
| An Apology for Atheism Addressed to Religious Investigators of Every Denomination by One of Its Apostles | Charles | Southwell | |
| An Introduction to Philosophy | George Stuart | Fullerton | |
| Sir Thomas Browne and his 'Religio Medici' an Appreciation | Alexander | Whyte | 1836 |
| Cratylus | | Plato | 427 |
| Thoughts of Marcus Aurelius Antoninus | Emperor of Rome | Marcus Aurelius | 121 |
| American Eloquence, Volume 1 Studies In American Political History (1896) | | Various | |
| A Portraiture of Quakerism, Volume 3 | Thomas | Clarkson | 1760 |
| A Portraiture of Quakerism, Volume 1 | Thomas | Clarkson | 1760 |
| A Portraiture of Quakerism, Volume 2 | Thomas | Clarkson | 1760 |
| Sermons on Various Important Subjects | Andrew | Lee | |
| The Republic | | Plato | 427 |
| Cicero's Tusculan Disputations Also, Treatises On The Nature Of The Gods, And On The Commonwealth | Marcus Tullius | Cicero | 106 |
