Political thinkers :  from socrates to the present / 
edited by David Boucher and Paul Kelly. 
 - 2nd  ed. 
 - Oxford :  O. U. P.,  2009. 
 - xx,642  p. 
<br/><br/><label>ISBN: </label>0199215522 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political science--History.<br/>Political science--Philosophy.