Monk, Ray. <br/><br/>
Ludwig Wittgenstein :  the duty of genius / 
Ray Monk. 
 - 1st American ed. 
 - New York :  Free Press :  Maxwell Macmillan International,  1990. 
 - xviii, 654 p., [32] p. of plates :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. [587]-646) and index. 
<br/><br/><label>ISBN: </label>0029216702 
<br/><br/><label>Subjects--Personal Names: </label><br/>Wittgenstein, Ludwig, 1889-1951. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophers--Biography.--Austria<br/>Philosophers--Biography.--Great Britain
<br/><br/><label>LC Class. No.: </label>B3376.W564  / M59 1990 
<br/><br/><label>Dewey Class. No.: </label>192  B