Urmson, JO. <br/><br/>
Concise encyclopedia of Western philosophy and philosophers 

 - 2nd. rev. ed. 
 - LoNew Delhion  Routledge  1991 
 - xii,331p.  23 cm. 
<br/><br/><label>ISBN: </label>0415078830 
<br/><br/><label>Dewey Class. No.: </label>190,  / D, con