| Conjectures and Refutations: The Growth of Scientific Knowledge. Popper, Karl R / Used - Hardcover | Raptis Rare Books | 1st Edition Signed Fine/VG+ Association Dust Jacket | $9,200.00 |
| CONJECTURES AND REFUTATIONS: The Growth of Scientific Knowledge Popper, Karl / Used - Hardcover | Type Punch Matrix | 1st Edition Signed Dust Jacket | $4,500.00 |
| Conjectures and Refutations: The Growth of Scientific Knowledge. Popper, Karl / Used - Hardcover | Raptis Rare Books | 1st Edition Signed Fine/VG+ Association Dust Jacket | $3,500.00 |
| 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 | 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 | 1st Edition Dust Jacket | $446.35 |
| 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 | 1st Edition Near fine Dust Jacket | $240.00 |
| Conjectures and Refutations: The Growth of Scientific Knowledge Popper, Karl R. / Used - Hardcover | Raymond Tait | 1st Edition Dust Jacket | $206.01 |
| Conjectures and Refutations The Growth of Scientific Knowledge Karl. R. Popper / Used - Hardcover | Quality Books UK | 1st Edition Dust Jacket | $191.33 |
| Conjectures and Refutations: The Growth of Scientific Knowledge Popper, Karl R. / Used - Hardcover | Possum Books | 1st Edition Dust Jacket | $175.00 |
| Conjectures & Refutations: The Growth of Scientific Knowledge Karl R. Popper / Used - Hardcover | Moe's Books | Dust Jacket | $150.00 |
| 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 Popper, Karl / Used - Hardcover | Free Play Books | 1st Edition Dust Jacket | $150.00 |
| Conjectures and Refutations : The Growth of Scientific Knowledge Popper, Karl Raimund / Used - Hardcover | GreatBookPricesUK | As new | $144.44 |
| Conjectures and Refutations : The Growth of Scientific Knowledge Popper, Karl Raimund / Used - Hardcover | GreatBookPrices | As new | $139.72 |
| Conjectures and Refutations: The Growth of Scientific Knowledge Popper, Karl R. / Used - Hardcover | PsychoBabel & Skoob Books | | $103.00 |
| Conjectures and Refutations : The Growth of Scientific Knowledge Popper, Karl Raimund / Used - Hardcover | Better World Books Ltd | | $69.01 |
| 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 Raimund / Used - Hardcover | GreatBookPricesUK | As new | $53.17 |
| Conjectures and Refutations; the Growth of Scientific Knowledge; 0 Popper, Karl R. (karl Raimund) 1902- / Used - Hardcover | GreatBookPricesUK | As new | $52.16 |