Beers, Burton F. <br/><br/>
World history : patterns of civilization 

 - 2nd ed. 
 - London  Prentice Hall  1984 
 - 800 p 
<br/><br/><label>ISBN: </label>0-13-967886-7 
<br/><br/><label>LC Class. No.: </label>CB 69 .B44/