The New book of knowledge. 

 - New York :  Grolier,  c1977. 
 - 20 v. :  ill. (some col.) ;  26 cm. 
<br/><br/> Editions for 1912-1966 published under title: The Book of knowledge.  Includes indexes. 
<br/><br/> A twenty-volume edition illustrated with maps, pictograms, and photographs in color and black and white. Entries are written on a range of reading levels and are the work of qualified specialists. Every volume is separately indexed with cross references to pertinent information found in other volumes of the set. 
<br/><br/><label>ISBN: </label>0717205088 
<br/><br/><label>LCCN: </label>76017853  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dictionaries.<br/>Encyclopedias and dictionaries.
<br/><br/><label>LC Class. No.: </label>AG5  / .B64 1977 
<br/><br/><label>Dewey Class. No.: </label>001