The Encyclopaedia Americana . Vol. 20 

 - New York :  Americana Corporation,  1968. 
 - Vol. 20, 874p.;  ill.;  26cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopeadia
<br/><br/><label>Dewey Class. No.: </label>030  / ENC