The Encyclopedia Americana 

 - International ed. 
 - Danbury, Conn  Grolier  1981 
 - 30 v.  ill. (some col.)  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries
<br/><br/><label>Dewey Class. No.: </label>031