Prototractatus
Subtitle: an early version of Tractatus logico-philosophicus.  Edited by B.F. McGuinness, T. Nyberg [and] G.H. von Wright, with a translation by D.F. Pears [and] B.F. McGuinness.  An historical introd. by G.H. von Wright and a facsim. of the author's manuscript.
Publisher: Routledge & Kegan Paul
Published: 1971
Place of publication: London
Language: eng; ger
Number of pages: 256
Subjects: Logic, Symbolic and mathematical; Language and languages -- Philosophy.
Other titles: Tractatus logico-philosophicus
Notes: Text in English and German.