The brown book
Subtitle: notes dictated to F. Skinner and A. Ambrose : 1934-1935
By: by L. Wittgenstein ; unofficial ; copied, M. MacDonald, August 1937.
Contributors: Macdonald, Margaret.; Skinner, Francis; Ambrose, Alice, 1906-
Publisher: s.n.]
Published: 1937
Place of publication: [Cambridge
Language: eng
Number of pages: 176
Subjects: Philosophy; Language and languages -- Philosophy.; Semantics (Philosophy)
Other titles: Philosophical investigations.
Notes: Paging slightly irregular.

Mimeographed text.

End leaf dated: 18th August, 1937.

Among the very few copies made of notes that Wittgenstein dictated to his class at Cambridge during the 1934-1935 session and which, from the colour of the bindings, came to be known as the Brown book.

These notes constitute the preliminary studies for the Philosophical investigations.

Fisher Walsh copy: In original marbled boards with brown cloth back.  Leaves 168-174 mimeographed onto verso of letterhead: Room 5500, 49 West 49th Street, New York.