| Naming and Necessity Kripke, Saul A. / Used - Hardcover | Fine/VG+ Dust Jacket | $800.00 |
| Last Writings on the Philosophy of Psychology The Inner and the Outer 1949-1951 Volume 2 Ludwig Wittgenstein / Used - Hardcover | Dust Jacket | $417.79 |
| Translations from the philosophical writings of Gottlob Frege Gottlob Frege / Used - Hardcover | | $132.19 |
| Letters to Russell, Keynes and Moore. Edited with an Introduction by G.H. von Wright, assisted by B.F. McGuinness. Cornell Univ. Press. 1977. Ludwig Wittgenstein / Used - Hardcover | | $119.58 |
| Philosophical remarks Wittgenstein, Ludwig / New - Hardcover | | $117.48 |
| Philosophical grammar Wittgenstein, Ludwig / Used - Hardcover | | $110.02 |
| On the Plurality of Worlds Lewis, David K. / Used - Hardcover | | $100.00 |
| Preliminary studies for the 'Philosophical investigations',: Generally known as the Blue and Brown books Wittgenstein, Ludwig / Used - Hardcover | Dust Jacket | $99.95 |
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| Wittgenstein Georg Henrik von Wright / Used - Hardcover | Dust Jacket | $63.90 |
| Translations from the philosophical writings of Gottlob Frege Frege, Gottlob;Black, Max;Geach, P.T. / Used - Hardcover | | $63.00 |
| Philosophical remarks Wittgenstein, Ludwig / Used - Hardcover | Dust Jacket | $54.50 |