| Title / Condition | Highlights | Price |
|---|---|---|
| Realism and the Aim of Science. Popper, Karl; Bartley, W.W. (ed.) / Used - Hardcover | $369.48 | |
| Open Universe: An Argument for Indeterminism - From "Postscript to the Logic of Scientific Discovery" (University Library) Popper, Sir Karl / Used - Hardcover | Dust Jacket | $228.14 |
| Emotive Theory of Ethics (University Library) Urmson, J. O. / Used - Hardcover | $126.01 | |
| The Concept of Mind Ryle, Gilbert. / Used - Hardcover | $68.52 | |
| The Concept of Mind Ryle, Gilbert / Used - Hardcover | $68.52 | |
| The Concept of Mind Ryle, Gilbert. / Used - Hardcover | $68.52 |