De Blij, Harm J.,  <br/><br/>
Systematic political geography/ 
by Harm J. de Blij. 
 - New York:   Wiley,  1967. 
 - vii, 618 pages :  illustrations, maps ;   26 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political geography.<br/>Geopolitics.