| title | creator | language | description | tableOfContents | contributor | subject | created |
| Tractatus Logico-Philosophicus | Wittgenstein, Ludwig, 1889-1951 | en | | | | Logic, Symbolic and mathematical; Language and languages -- Philosophy | 2004-05-01 |
| Philosophy of Osteopathy | Still, A. T. (Andrew Taylor), 1828-1917 | en | | | | | 2008-06-22 |
| A New Philosophy: Henri Bergson | Le Roy, Edouard Louis Emmanuel Julien, 1870-1954 | en | Translation of: Philosophie nouvelle, Henri Bergson | | Benson, Vincent [Translator] | | 1998-06-01 |
| A Short History of Greek Philosophy | Marshall, John, 1845-1915 | en | | | | | 2007-02-01 |
| The Opinions of a Philosopher | Grant, Robert, 1852-1940 | en | | | | | 2006-10-09 |
| The Problems of Philosophy | Russell, Bertrand, 1872-1970 | en | | | | Philosophy -- Introductions; Metaphysics; Knowledge, Theory of | 2004-06-01 |
| The Botanic Garden. Part II.
Containing the Loves of the Plants. a Poem.
With Philosophical Notes. | Darwin, Erasmus, 1731-1802 | en | | | | Plants -- Poetry; Natural history | 2004-01-01 |
| The Philosophy of the Moral Feelings | Abercrombie, John, 1780-1844 | en | | | | | 2007-08-21 |
| Plunkitt of Tammany Hall: a series of very plain talks on very practical politics, delivered by ex-Senator George Washington Plunkitt, the Tammany philosopher, from his rostrum—the New York County court house bootblack stand; Recorded by William L. Riordo | Plunkitt, George Washington, 1842-1924 | en | | | | Plunkitt, George Washington, 1842-1924; Tammany Hall | 2001-09-01 |
| Consolations in Travel
or, the Last Days of a Philosopher | Davy, Humphry, Sir, 1778-1829 | en | | | Morley, Henry, 1822-1894 [Editor] | | 2006-02-28 |
| The Will to Believe : and Other Essays in Popular Philosophy | James, William, 1842-1910 | en | | | | Philosophy -- Essays; Philosophy | 2008-09-19 |
| Cyclopedia of Philosophy | Vaknin, Samuel, 1961- | en | | | | | 2004-02-01 |
| An Interpretation of Rudolf Eucken's Philosophy | Jones, W. Tudor (William Tudor), 1865-1946 | en | | | | | 2005-10-09 |
| Percy Bysshe Shelley as a Philosopher and Reformer | Sotheran, Charles, 1847-1902 | en | | | Frederickson, Charles W. [Commentator] | | 2005-10-14 |
| An Attic Philosopher in Paris — Complete | Souvestre, Émile, 1806-1854 | en | Translation of Un philosophe sous les toits. | | | | 2004-10-30 |
| The Approach to Philosophy | Perry, Ralph Barton, 1876-1957 | en | | | | | 2008-04-19 |
| The Philosophy of Spinoza | Spinoza, Benedictus de, 1632-1677 | en | | | Ratner, Joseph [Editor] | | 2010-02-07 |
| A Critical History of Greek Philosophy | Stace, W. T. (Walter Terence), 1886-1967 | en | | | | | 2010-08-12 |
| The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality | Schmid, Rudolf, 1828-1907 | en | | | Zimmermann, G. A. (Gustav Adolf), 1850-1903 [Translator] | Evolution; Religion and science | 2007-07-26 |
| Browning as a Philosophical and Religious Teacher | Jones, Henry, Sir, 1852-1922 | en | | | | | 2004-09-30 |
| An Introduction to Philosophy | Fullerton, George Stuart | en | | | | | 2005-08-01 |
| Rollo's Philosophy. [Air] | Abbott, Jacob, 1803-1879 | en | | | | Air -- Juvenile literature; Atmosphere -- Juvenile literature | 2008-04-27 |
| Feuerbach: The roots of the socialist philosophy | Engels, Friedrich, 1820-1895 | en | | | Lewis, Austin [Translator] | Dialectical materialism; Feuerbach, Ludwig, 1804-1872; Socialism | 2009-01-15 |
| The Works of Aristotle the Famous Philosopher
Containing his Complete Masterpiece and Family Physician; his Experienced Midwife, his Book of Problems and his Remarks on Physiognomy | Aristotle, 384 BC-322 BC | en | | | | | 2004-06-01 |
| A History of Indian Philosophy, Volume 1 | Dasgupta, Surendranath, 1887-1952 | en | | | | | 2004-07-20 |