Geography in the twentieth century  a study of growth, fields, techniques, aims and trends 

 - 3rd ed 
 - New York, Philosophical Librar  Methuen  1957 
 - xi, 674p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOLOGY, METEOROLOGY, HYDROLOGY
<br/><br/><label>Dewey Class. No.: </label>910  / T19