Ancient philosophy :  from 600 BCE to 500 CE / 
edited by Brian Duignan. 
 - New York :  Britannica Educational Publishing;Rosen Educational Services,  2011. 
 - 211 p.:  ill.;  23 cm. 
 - The history of philosophy .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781615301416 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phiolosophy,Ancient