| CONJECTURES AND REFUTATIONS: The Growth of Scientific Knowledge Popper, Karl / Used - Hardcover | Type Punch Matrix | 1st Edition Signed | $4,500.00 |
| Conjectures and Refutations. (Presentation copy of the Second Edition, inscribed by Popper to 'Alfred and Hilde' [Braunthal], Christmas 1967.) POPPER, Karl (1902-1994): / Used - Hardcover | Ted Kottler, Bookseller | Signed | $2,500.00 |
| Conjectures and Refutations; The Growth of Scientific Knowledge Popper, Karl R. / Used - Hardcover | Evening Star Books, ABAA/ILAB | 1st Edition Near fine Dust Jacket | $715.00 |
| Conjectures and Refutations. The Growth of Scientific Knowledge POPPER, Karl R / Used - Hardcover | Reginald C. Williams Rare Books | First thus 1st Edition Fine Dust Jacket | $600.00 |
| CONJECTURES AND REFUTATIONS: THE GROWTH OF SCIENTIFIC KNOWLEDGE POPPER, KARL R. / Used - Hardcover | JOHN LUTSCHAK BOOKS | 1st Edition Fine/VG+ | $450.00 |
| Conjectures and Refutations - The growth of scientific knowledge. Popper, Karl R. / Used - Hardcover | Much Ado Books | Dust Jacket | $446.70 |
| Conjectures and Refutations: The Growth of Scientific Knowledge Karl S. Popper / Used - Hardcover | Midway Book Store (ABAA) | 1st Edition Dust Jacket | $250.00 |
| Conjectures and Refutations Popper, Karl / Used - Hardcover | J.F. Wickwire Books | Price-clipped 1st Edition Near fine Dust Jacket | $240.00 |
| 1962 Conjectures & Refutations Karl R. Popper 1st American Edition Karl R. Popper / Used - Hardcover | ROBIN RARE BOOKS at the Midtown Scholar | Dust Jacket | $225.00 |
| Conjectures and Refutations: The Growth of Scientific Knowledge Popper, Karl R. / Used - Hardcover | Raymond Tait | 1st Edition Dust Jacket | $206.17 |
| Conjectures and Refutations: The Growth of Scientific Knowledge Popper, Karl R. / Used - Hardcover | Possum Books | 1st Edition Dust Jacket | $175.00 |
| Conjectures and Refutations : The Growth of Scientific Knowledge Popper, Karl Raimund / Used - Hardcover | GreatBookPricesUK | As new | $150.18 |
| Conjectures and Refutations: The Growth of Scientific Knowledge Karl R. Popper / Used - Hardcover | Southampton Books | 1st Edition Dust Jacket | $150.00 |
| Conjectures & Refutations: The Growth of Scientific Knowledge Karl R. Popper / Used - Hardcover | Moe's Books | Dust Jacket | $150.00 |
| Conjectures & Refutations: The Growth of Scientific Knowledge Popper, Karl / Used - Hardcover | Materia Prima Books | 1st Edition Dust Jacket | $150.00 |
| Conjectures and Refutations : The Growth of Scientific Knowledge Popper, Karl Raimund / Used - Hardcover | GreatBookPrices | As new | $145.57 |
| Conjectures and Refutations; The Growth of Scientific Knowledge Karl. R. Popper / Used - Hardcover | Quality Books UK | 1st Edition Dust Jacket | $132.38 |
| Conjectures and Refutations; the Growth of Scientific Knowledge Popper, Karl R. / Used - Hardcover | BASEMENT BOOKS | 1st Edition Fine Dust Jacket | $110.81 |
| Conjectures and Refutations: The Growth of Scientific Knowledge Popper, Karl R. / Used - Hardcover | PsychoBabel & Skoob Books | | $103.09 |
| Conjectures and Refutations; The Growth of Scientific Knowledge Popper, Karl R. / Used - Hardcover | BISON BOOKS - ABAC/ILAB | 1st Edition | $95.55 |
| Conjectures and Refutations: The Growth of Scientific Knowledge Karl R. Popper / Used - Hardcover | KCMidwestbooks | 1st Edition | $95.00 |
| Conjectures and Refutations Karl R. Popper / Used - Hardcover | Optimon Books | | $74.21 |
| Conjectures and Refutations: The Growth of Scientific Knowledge (Routledge Classics) Popper, Karl / Used - Hardcover | WeBuyBooks | As new | $68.87 |
| Conjectures and Refutations: The Growth of Scientific Knowledge Popper, Karl R. / Used - Hardcover | Book Booth | Dust Jacket | $64.00 |
| Conjectures and Refutations: The Growth of Scientific Knowledge POPPER, KARL R / Used - Hardcover | Hard to Find Books NZ (Internet) Ltd. | Price-clipped | $58.58 |