Encyclopedia Americana 
/ Grolier Incorporated  
 - Connecticut:   Grolier Incorporated,   1983 
<br/><br/> Vol. 14; Heart to India; 962p. <br/>Vol. 21; Orley to photoengraving; 800p.   
<br/><br/><label>ISBN: </label>0-7172-0114-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science 
<br/><br/><label>Universal Decimal Class. No.: </label>R 030.1   / M3.14