The world book  encyclopedia 2001 (Vol-6) / 
World book 
 - chicago:  World book;  2001. 
 - 470 p.  ills;  25 cm. 
 -  Vol-6 .
<br/><br/>Reference 
<br/><br/>
<br/><br/><label>ISBN: </label>071660101-x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>World history
<br/><br/><label>Dewey Class. No.: </label>031