| Title / Condition | Seller | Highlights | Price |
|---|---|---|---|
| Prototractatus Wittgenstein Ludwig / New - Hardcover | Biblios | $530.12 | |
| Prototractatus : An early version of Tractatus Logio-Philosophicus Ludwig Wittgenstein / New - Hardcover | AHA-BUCH GmbH | $524.25 | |
| Prototractatus Ludwig Wittgenstein / New - Hardcover | Books Puddle | $473.57 | |
| Prototractatus Wittgenstein, Ludwig; McGuiness, Brian (FRW) / New - Hardcover | GreatBookPrices | $408.18 | |
| Prototractatus Wittgenstein, Ludwig; McGuiness, Brian (FRW) / New - Hardcover | GreatBookPricesUK | $394.03 |