East, W. Gordon  1902-1998. <br/><br/>
The geography behind history / 
William G. East. 
 - Rev. ed. 
 - New York :  Norton,  1967 
 - 203 p. :  ill. ;  20 cm. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Historical geography.