Van Cleef, Eugene,  1887- <br/><br/>
Trade centers and trade routes / 
by Eugene Van Cleef ... 
 - New York ;  London :  D. Appleton-Century company, incorporated,  c1937 
 - xvi, 307 p. :  illus. (incl. maps, plans) plates, diagrs. ;  23 cm. 
 - The Century earth science series .
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commerce.<br/>Trade routes.<br/>Commercial geography.
<br/><br/><label>Dewey Class. No.: </label>38752  / VAT 1937