Pears, David Francis <br/><br/>
Wittgenstein / 
by David Pears 
 - London :  Fontana,  1971 
 - 188 p. ;  19 cm. 
<br/><br/>Bibliography : p. 187-188. 
<br/><br/><label>ISBN: </label>0006324290 
<br/><br/><label>LCCN: </label>72-169667 
<br/><br/><label>Subjects--Personal Names: </label><br/>Wittgenstein, Ludwig, 1889-1951