Wittgenstein, Ludwig 1889-1951.
Notebooks, 1914-1916 /
Ludwig Wittgenstein ; edited by G.H. von Wright and G.E.M. Anscombe ; with an English translation by G.E.M. Anscombe 
. - New York : Evanston : Harper & Row, publishers,  1961 
. - vi, 131 p.  21 cm. 
 - (Harper torchbooks  ; TB 1441 )