National Geographic Magazine 

 - Washington  Nat. Geo. Soc.  1940 
 - Nos. 1,3-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>U:1373:M88
<br/><br/><label>Dewey Class. No.: </label>U:1373:M88  / B8.31