Crone, G. R. <br/><br/>
Background to political geography / 
by G. R. Crone 
 - London :  Pitman Paperbacks,  1969 
 - 239 p. :  illus., maps. ;  23 cm. 
<br/><br/>Bibliography : p. 235-236. 
<br/><br/><label>ISBN: </label>9273485938 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geopolitics<br/>World politics--1945