The New Encyclopaedia Britannica 

 - 15th ed 
 - Chicago :  Encydlopaedia Britannica,  1978 
 - 2V. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia and Dictionary.
<br/><br/><label>LC Class. No.: </label>Ref AE5  / N532 1978