| Title / Condition | Highlights | Price |
|---|---|---|
| Principia Mathematica WHITEHEAD, Alfred North.;RUSSELL, Bertrand / Used - Hardcover | 1st Edition | $145,000.00 |
| Principia Ethica Moore, George Edward / Used - Hardcover | 1st Edition | $1,815.00 |
| Principia Mathematica. Second Edition Whitehead, Alfred North, and Bertrand Russell / Used - Hardcover | $500.00 | |
| Plato's Progress Ryle, Gilbert / Used - Hardcover | 1st Edition Near fine | $83.00 |