The World book encyclopedia. 

 - Chicago,  Field Enterprises Educational Corp.  [1972] 
 - v. 1; 838 p.,  illus. (part col.)  26 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0716672006 
<br/><br/><label>LCCN: </label>77150729  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>LC Class. No.: </label>AE5  / .W55 1962 
<br/><br/><label>Dewey Class. No.: </label>031