Encyclopaedia Britannica. 

 - Chicago:  Encyclopaedia Britannica,  [1973]. 
 - 24 v.:  illus.,  29 cm. 
<br/><br/> Vol. [24]: Index and atlas.  The fifteenth ed. (1974) published under title: The New encyclopaedia Britannica. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0852291736 
<br/><br/><label>LCCN: </label>72075874 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>031