The world book encyclopedia. 

 - Chicago :  World Book,  c 1984. 
 - Vols. :  ill. ;  25 cm. 
<br/><br/>V. 18- (So-Sz) ; 
<br/><br/>333  333 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia
<br/><br/><label>Dewey Class. No.: </label>030 / W893