Monk, Ray <br/><br/>
Ludwig Wittgenstein   the Duty of Genius 

 - London  Vintage  1991 
 - 654p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label> 100 
<br/><br/><label>Dewey Class. No.: </label>N83.1WL  / M749