The new encyclopaedia Britannica  in 30 volumes 

 - 15th ed. 
 - Chicago :  Encyclopedia Britannica, inc.,  [1975] 
 - 30 v. :  ill. ;  29 cm. 
 -  13 .
<br/><br/> The Micropaedia and Macropaedia are numbered v. 1-10 and v. 1-19, respectively. 
<br/><br/><label>ISBN: </label>085229297X 
<br/><br/><label>Source: </label>U.E. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>031  / E5632