| Title / Condition | Highlights | Price |
|---|---|---|
| Conjectures & Refutations: The Growth of Scientific Knowledge Popper, Karl / Used - Hardcover | 1st Edition Dust Jacket | $150.00 |
| The Basic Laws of Arithmetic: Exposition of the System Frege, Gottlob / Used - Hardcover | $80.00 | |
| The Philosophy of Symbolic Forms (Vol.I & II: Language & Mythical Thought) Cassirer, Ernst; Ralph Manheim (translator); Charles W. Hendel (introductory note) / Used - Hardcover | 1st Edition | $75.00 |
| Mathematics, Matter and Method: Philosophical Papers, Volume I Putnam, Hilary / Used - Hardcover | 1st Edition Dust Jacket | $60.00 |