Wittgenstein, Ludwig. <br/><br/>
Tractatus logico-philosophicus. 

 - ed. 
 - London :  Routledge & Kegan,  1961. 
 - xxii, 89  p. ;    cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0710079230 :  $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.