By Kant, Immanuel, Ellington, J.W.
By Bernasconi, Robert, Lott, Tommy L.
By Abelard, Peter, Adams, Marilyn Mccord, Spade, Paul V.
By Cornman, James W., Lehrer, Keith
By Plato, Barrus, Roger M., Arieti, James A.
By Rosenthal, David M.
By Cunningham, Suzanne
By Berkeley, George, Adams, Robert M.
By Empiricus, Sextus, Etheridge, Sanford G., Hallie, Philip P.
By Perry, John
By Epictetus, White, Nicholas P.
By Cornford, Francis M.
By Professor Robert C. Solomon
By Kant, Immanuel, Ellington, James W., Carus, P.
By C.A.E. Luschnig
By McKeown, J. C.
By Spenser, Edmund, Kaske, Carol, Stoll, Abraham
By Weston, Anthony
By Aristotle, Irwin, Terence H., Irwin, Terence H.
By Ariew, Roger, Watkins, Eric
By Descartes, Rene, Cress, Donald A.
By H.S. Harris
By Niccolo Machiavelli, David Wootton
By Lao Tzu, Stephen Addiss, Stanley Lombardo
By Locke, John, Winkler, Kenneth P.
By Spinoza, Baruch, Feldman, Seymour, Shirley, Samuel
By Cahn, Steven M.