Encylopaedia Britannica 

 - USA  William Benton  1966 
 - 1116 
 -  VOL-11 .
<br/><br/> Include Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Refrence 
<br/><br/><label>Dewey Class. No.: </label>0.32  / ENC