"Hutchins, Robert M. (Chairman)" <br/><br/>
The New encyclopaedia Britannica 

 - 15th ed. 
 - Chicago  Encyclopaedia Britanica Inc.  1980 
 - 30v. : ill 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedias
<br/><br/><label>Dewey Class. No.: </label>R 032 Bri 15th ed.