The concise encyclopedia of western philosophy and Philosophers / 
edited by J.O. Urmson 
 - New York :  Hawthorn Books,  1960 
 - 415 p. :  ill. ;  25 cm. 
<br/><br/>Bibliography: p. 405-415 
<br/><br/><label>LCCN: </label>60-006258 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy dictionaries