Ludwig Wittgenstein: a comprehensive bibliography /
compiled by Franȯis H. Lapointe 
. - Westport : London : Greenwood Press,  1980 
. - ix, 297 p.  24 cm. 
<br/><label>  ISBN: </label>0-313-22127-8 
<br/><br/><label>Subjects--Personal Names: </label><br/>Wittgenstein, Ludwig 1889-1951