Valkenburg, Samuel Van . <br/><br/>
Elements of Political Geography /  Textual Documents 
Samuel Van Valkenburg. 
 - 2nd ed. / 
 - New Delhi :  Prentice-Hall of India(Pvt Ltd) ,  1963. 
 - 400p. ;  22cm. 
<br/><br/><label>Subjects--Index Terms: </label>Geography-Political Geography Political Geography G-Geography 
<br/><br/><label>Dewey Class. No.: </label>910  / V 239 El