Sources of World civilization / 
edited by Oliver A. Johnson. 
 - Englwoods Cliffs, NJ :  Prentice-Hall,  1994. 
 - xi, 428pp ;  23 cm. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0139624570 
<br/><br/><label>LCCN: </label>9311660  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civilization--History--Sources.