| Investigation of the Laws of Thought : On Which Are Founded the Mathematical Theories of Logic and Probabilities Boole, George / New - Hardcover | GreatBookPrices | | $85.28 |
| Investigation of the Laws of Thought : On Which Are Founded the Mathematical Theories of Logic and Probabilities Boole, George / New - Hardcover | GreatBookPricesUK | | $76.10 |
| An Investigation of the Laws of Thought: On Which Are Founded the Mathematical Theories of Logic and Probabilities Boole, George / New - Hardcover | GreatBookPricesUK | | $70.31 |
| An Investigation of the Laws of Thought : On Which Are Founded the Mathematical Theories of Logic and Probabilities: Volume 2 Of George Boole's Collected Logical Works George Boole / New - Hardcover | AHA-BUCH GmbH | | $66.84 |
| An Investigation of the Laws of Thought [microform] George Boole / New - Hardcover | AHA-BUCH GmbH | | $65.15 |
| An Investigation Of The Laws Of Thought, On Which Are Founded The Mathematical Theories Of Logic And Probabilities George Boole / New - Hardcover | AHA-BUCH GmbH | | $65.15 |
| An Investigation of the Laws of Thought: On Which Are Founded the Mathematical Theories of Logic and Probabilities Boole, George / New - Hardcover | GreatBookPrices | | $59.29 |