The Book of knowledge  v.1 

 - [Rev. ed.]. 
 - New York :  Grolier,  1960. 
 - 20 v. :  ill. (some col.), maps (some col.) 
<br/><br/><label>ISBN: </label>0717285014 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>R 031  / N532 1980 V.1