| Title / Condition | Highlights | Price |
|---|---|---|
| CONJECTURES AND REFUTATIONS: THE GROWTH OF SCIENTIFIC KNOWLEDGE POPPER, KARL R. / Used - Hardcover | 1st Edition Fine/VG+ | $450.00 |
| NORM AND ACTION: A LOGICAL ENQUIRY VON WRIGHT, GEORG HENRIK / Used - Hardcover | 1st Edition Fine/VG+ Dust Jacket | $175.00 |