The New Caxton encyclopedia. 

 - Athens,  New York :  International Learning Systems Corp,  [c1969] 
 - 20 v.  col. illus.  31 cm. 
<br/><br/> Vol. 19: Man, earth, and space; v. 20: Index, atlas, and gazetteer. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>LC Class. No.: </label>AE5  / .N5114 1969