World of learning 

 - 17th edn. 
 - London  Europa Publications Ltd.  1967 
 - xiv, 1578p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tlv1:N6
<br/><br/><label>Dewey Class. No.: </label>Tlv1:N6  / J3