The World book encyclopedia / 

 - Chicago :  World Book, Inc.,  c1989. 
 - 22 v. :  ill. (some col.) ;  26 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0716612895 (set) 
<br/><br/><label>LCCN: </label>75001722  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.<br/>Encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>031