The New encyclopedia Britannica 

 -  Helen Hemingway Benton ;  1981 
 - Volumes 1-20 
<br/><br/><label>ISBN: </label>085229378X 
<br/><br/><label>Subjects--Topical Terms: </label>--History -- Philosophy -- Culture
<br/><br/><label>Dewey Class. No.: </label>031 N42 1981