Geography in the twentieth century 

 - New York:   Philosophical Library,   1953 
 - 661p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Subjects--Index Terms: </label>Geography 
<br/><br/><label>Universal Decimal Class. No.: </label>913  / J3