World Book Inc <br/><br/>
The World Book Encyclopedia (U-V) 

 -  World Boo  1994 
<br/><br/> REFERENCE 
<br/><br/><label>ISBN: </label>0-7166-0094-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia General 
<br/><br/><label>Dewey Class. No.: </label>