Polis  historia universal 
Edited by Luis Pericot García, Alberto del Castillo and J. Vicens Vives. 
 - 5 ed. 
 - Barcelona  Vicens Universidad  1987. 
 - v, 633 p.  ill. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8431616695 
<br/><br/><label>LCCN: </label>buc93000128  
<br/><br/><label>Subjects--Topical Terms: </label><br/>World History<br/>Civilization--History.
<br/><br/><label>LC Class. No.: </label>D21  / .P47 1987