| Conjectures and Refutations: The Growth of Scientific Knowledge. Popper, Karl R / Used - Hardcover | Raptis Rare Books | 1st Edition Signed Association Fine/VG+ Dust Jacket | $9,200.00 |
| Conjectures and Refutations: The Growth of Scientific Knowledge. Popper, Karl / Used - Hardcover | Raptis Rare Books | Signed Association Fine/VG+ 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 | Boris Jardine Rare Books | Dust Jacket | $760.15 |
| Conjectures and Refutations; The Growth of Scientific Knowledge Popper, Karl R. / Used - Hardcover | Evening Star Books, ABAA/ILAB | 1st Edition Fine/VG+ Dust Jacket | $715.00 |
| Conjectures and Refutations. The Growth of Scientific Knowledge POPPER, Karl R / Used - Hardcover | Reginald C. Williams Rare Books | Fine/VG+ 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 Popper, Karl / Used - Hardcover | J.F. Wickwire Books | Fine/VG+ Dust Jacket | $240.00 |
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| Conjectures and Refutations Popper Karl / New - Hardcover | Biblios | | $169.90 |
| Conjectures and Refutations: The Growth of Scientific Knowledge Popper, Karl (Author) / New - Hardcover | Revaluation Books | | $154.59 |
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| 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 | Free Play Books | Dust Jacket | $150.00 |
| Conjectures and Refutations: The Growth of Scientific Knowledge Sir Karl Popper / New - Hardcover | THE SAINT BOOKSTORE | | $139.60 |
| Conjectures and Refutations: The Growth of Scientific Knowledge (Routledge Classics) Popper, Karl / New - Hardcover | BennettBooksLtd | | $130.56 |
| Conjectures and Refutations: The Growth of Scientific Knowledge (Routledge Classics) Karl Popper / New - Hardcover | Chiron Media | | $108.50 |
| Conjectures and Refutations: The Growth of Scientific Knowledge Popper, Karl R. / Used - Hardcover | PsychoBabel & Skoob Books | | $103.66 |
| Conjectures and Refutations: The Growth of Scientific Knowledge (Routledge Classics) Popper, Karl / Used - Hardcover | Griffin Books | | $94.99 |
| CONJECTURES AND REFUTATIONS. The Growth of Scientific Knowledge. POPPER, Karl. / Used - Hardcover | Sainsbury's Books Pty. Ltd. | 1st Edition Dust Jacket | $66.18 |
| Conjectures and Refutations: Growth of Scientific Knowledge Karl R. Popper / Used - Hardcover | Ammareal | | $64.56 |
| Conjectures and Refutations, the Growth of Scientific Knowledge Popper, Karl Raimund / New - Hardcover | GreatBookPricesUK | | $55.90 |
| Conjectures and Refutations; the Growth of Scientific Knowledge; 0 Popper, Karl R. (karl Raimund) 1902- / New - Hardcover | GreatBookPricesUK | | $53.94 |
| Conjectures and Refutations, the Growth of Scientific Knowledge Popper, Karl Raimund / Used - Hardcover | GreatBookPricesUK | | $53.91 |
| Conjectures and Refutations; the Growth of Scientific Knowledge; 0 Popper, Karl R. (karl Raimund) 1902- / Used - Hardcover | GreatBookPricesUK | | $53.12 |