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| Creative Evolution Bergson, Henri / New - Hardcover | | $55.62 |
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| The General Theory of Employment, Interest and Money Keynes, John Maynard / New - Hardcover | | $53.06 |
| The Mathematical Analysis of Logic: Being an Essay Towards a Calculus of Deductive Reasoning (1847) Boole, George / New - Hardcover | | $52.33 |
| Treatise on Money, V1: The Pure Theory of Money Keynes, John Maynard / New - Hardcover | | $51.70 |
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| Time and Free Will: An Essay on the Immediate Data of Consciousness Bergson, Henri / New - Hardcover | | $50.69 |
| A Treatise on Induction and Probability: The Application of Modern Symbolic Logic to the Analysis of Inductive Reasoning Wright, Georg Henrik Von / Used - Hardcover | As new | $50.66 |
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| The Mathematical Analysis of Logic: Being an Essay Towards a Calculus of Deductive Reasoning (1847) Boole, George / Used - Hardcover | As new | $49.33 |