White C Langdon <br/><br/>
World economic geography 
White C Langdon 
 -  1964 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic Geography
<br/><br/><label>Dewey Class. No.: </label>U6.1.N6, K4