Wittgenstein (Ludwig ) Tractatus Logico-Philosophicus, first edition, London & New York, 1922.

Wittgenstein (Ludwig ) Tractatus Logico-Philosophicus, first English translation, introduction by Bertrand Russell, German and English text, small leather book-label of Haven O'More, original cloth, covers a little soiled, 8vo, 1922.

⁂ A masterwork of modern philosophy and Wittgenstein's only lifetime publication. Written while he served as a soldier in WWI, the Tractatus articulates the relationship of language and reality and defines the limit of science. One of the most famous and influential works of modern philosophy and the cornerstone text of Logical Positivism.