| The Blue and Brown Books. WITTGENSTEIN, Ludwig. / Used - Hardcover | Athena Rare Books ABAA | 1st Edition Dust Jacket | $750.00 |
| The Blue and Brown Books Ludwig Wittgenstein / Used - Hardcover | APPLEDORE BOOKS, ABAA | 1st Edition Dust Jacket | $650.00 |
| Preliminary Studies for the "Philosophical Investigations", Generally Known as the Blue and Brown Books Wittgenstein, Ludwig / Used - Hardcover | Book Alley | 1st Edition Dust Jacket | $650.00 |
| Preliminary Studies for the "Philosophical Investigations" Generally Known as the Blue and Brown Books Wittgenstein, Ludwig / Used - Hardcover | Mullen Books, ABAA | 1st Edition | $600.00 |
| THE BLUE AND BROWN BOOKS Preliminary Studies for the 'Philosophical Investigations' generally known as The Blue and Brown Books. Wittgenstein, Ludwig. / Used - Hardcover | Antiquariat Michael Solder | | $538.97 |
| Preliminary studies for the 'Philosophical investigations',: Generally known as the Blue and Brown books Wittgenstein, Ludwig / New - Hardcover | GoldBooks | | $498.39 |
| the Blue and Brown Books - Preliminary Studies for the "Philosophical Investigations" Ludwig Wittgenstein / Used - Hardcover | Aeon Bookstore | 1st Edition Dust Jacket | $425.00 |
| THE BLUE AND BROWN BOOKS; Preliminary Studies for the 'Philosophical Investigations' generally known as The Blue and Brown Books Ludwig Wittgenstein / Used - Hardcover | Rare Book Cellar | Dust Jacket | $386.95 |
| Preliminary Studies for the 'Philosophical Investigations' Generally Known as The Blue & Brown Books Ludwig Wittgenstein / Used - Hardcover | Moe's Books | 1st Edition Dust Jacket | $350.00 |
| The Blue and Brown Books Ludwig Wittgenstein / Used - Hardcover | North Books: Used & Rare | 1st Edition Dust Jacket | $300.00 |
| The Blue and Brown Books Wittgenstein, L. / Used - Hardcover | Aardvark Rare Books | | $290.09 |
| The Blue and Brown Books Ludwig Wittgenstein / Used - Hardcover | BazaarofBooks | 1st Edition | $279.06 |
| Preliminary Studies for the "Philosophical Investigations" Generally Known As The Blue and Brown Books Wittgenstein, Ludwig / Used - Hardcover | Pride and Prejudice-Books | 1st Edition | $204.00 |
| Preliminary Studies for The 'Philosophical Investigation' Generally Known as The Blue & Brown Books Wittgenstein, Ludwig / Used - Hardcover | Kevin T. Ransom- Bookseller | 1st Edition Dust Jacket | $200.00 |
| Preliminary Studies for the "Philosophical Investigations": Generally Known as the Blue and Brown Books Wittgenstein, Ludwig / Used - Hardcover | Tiber Books | 1st Edition Dust Jacket | $125.00 |
| THE BLUE AND BROWN BOOKS Preliminary Studies for the 'Philosophical Investigations' generally known as The Blue and Brown Books Ludwig Wittgenstein / Used - Hardcover | HALCYON BOOKS | | $110.94 |
| Preliminary Studies for the "Philosophical Investigations": Generally Known as the Blue and Brown Books Wittgenstein, Ludwig / Used - Hardcover | Jay W. Nelson, Bookseller, IOBA | Dust Jacket | $95.00 |
| Blue & Brown Books: Preliminary Studies for the Philosophical Investigations WITTGENSTEIN / Used - Hardcover | WeBuyBooks | | $81.44 |
| Preliminary Studies for the "Philosophical Investigations". Generally Known as the Blue and Brown Books "WITTGENSTEIN, LUDWIG. / Used - Hardcover | Herman H. J. Lynge & Søn ILAB-ABF | Dust Jacket | $80.11 |
| The Blue & Brown Books Wittgenstein, Ludwig / Used - Hardcover | Bookbid | Near fine Dust Jacket | $75.00 |
| The Blue and Brown Books Wittgenstein, Ludwig / Used - Hardcover | BBBooks | Dust Jacket | $66.98 |
| Preliminary studies for the 'Philosophical investigations',: Generally known as the Blue and Brown books Wittgenstein, Ludwig / Used - Hardcover | Pomfret Street Books | Dust Jacket | $65.00 |
| The Blue & Brown Books by Ludwig Wittgenstein 1960 Ludwig Wittgenstein / Used - Hardcover | Big Star Books | Dust Jacket | $64.00 |
| Preliminary Studies for the 'Philosophical Investigations' Generally known as The Blue and Brown Books. Wittgenstein, Ludwig. / Used - Hardcover | Much Ado Books | Near fine Dust Jacket | $62.79 |
| Preliminary studies for the "Philosophical investigations" : generally known as the Blue and Brown books / by Ludwig Wittgenstein Wittgenstein, Ludwig / Used - Hardcover | MW Books | Dust Jacket | $61.20 |
| Preliminary studies for the "Philosophical investigations" : generally known as the Blue and Brown books / by Ludwig Wittgenstein Wittgenstein, Ludwig / Used - Hardcover | MW Books Ltd. | Dust Jacket | $53.90 |
| Blue & Brown Books: Preliminary Studies for the Philosophical Investigations Wittgenstein, L. / Used - Hardcover | Anybook.com | | $49.43 |