| Title / Condition | Seller | Highlights | Price |
|---|---|---|---|
| Prototractatus Wittgenstein Ludwig / New - Hardcover | Biblios | $898.02 | |
| Prototractatus Ludwig Wittgenstein / New - Hardcover | Books Puddle | $787.63 | |
| Prototractatus Wittgenstein, Ludwig;McGuiness, Brian (FRW) / New - Hardcover | GreatBookPrices | $682.16 | |
| Prototractatus Wittgenstein, Ludwig;McGuiness, Brian (FRW) / New - Hardcover | GreatBookPricesUK | $668.81 | |
| Prototractatus : An early version of Tractatus Logio-Philosophicus Ludwig Wittgenstein / New - Hardcover | AHA-BUCH GmbH | $551.58 |