World Book, Inc. <br/><br/>
The World Book Encyclopedia:  W- X-Y-Z 

 - Chicago    World Book   1996. 
 - 614 P. 
 -  Vol. 21 .
<br/><br/><label>ISBN: </label>0716600994 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Dictionaries.<br/>Encyclopedias<br/>Encyclopedias and dictionaries.
<br/><br/><label>LC Class. No.: </label>AE5 .W55