, . <br/><br/>
Encyclopaedia Britanica, Vol-12 /  Textual Documents 
Encyclopaedia Britanica ,Ltd. 
 - Chicago :  Encyclopaedia Britanica ,Ltd ,  1960. 
 - 999p ;  29cm. 
<br/><br/><label>Subjects--Index Terms: </label>ENcyclopaedia Britanica T/Ref- Knowledge 
<br/><br/><label>Dewey Class. No.: </label>001  / En 19