Grolier Incorporated. <br/><br/>
The encyclopedia Americana/ 
Grolier Incorporated. 
 - International edition. 
 - Danbury:  Grolier Incorporated,  c1981. 
 - 27 volumes:  illustrations;  26 cm. 
<br/><br/><label>ISBN: </label>0717201120 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>DRef 031  / En1