Beers, Burton F. <br/><br/>
World History patterns of civilization / 
[by] Burton F.Beers 
 - New Jersey  Prentice Hall  1990 
 - xxiii, 904 p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>139686452 
<br/><br/><label>Dewey Class. No.: </label>909  / BEE