Prescott J R V <br/><br/>
Geography of frontiers and boundaries 

 - Chicago  Aldine            1965 
 - 190p  cm. 
 - University Library of Geography .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political  Geography
<br/><br/><label>Dewey Class. No.: </label>U5:(Z,2,93), K5