Prototractatus. An Early Version of Tractatus Logico-Philosophicus by...; Edited by B. F. McGuinness, T. Nyberg [and] G. H. von Wright with a translation by D. F. Pears [and] B. F. McGuinness, and historical introduction by G. H. von Wright and a facsimile of the author's manuscript.
Ithaca: Cornell University Press, [1971.]. First American edition. Fine condition. Cloth in dustjacket. Large octavo. Item #9628