Spencer, J. E.  1907- <br/><br/>
Introducing cultural geography / 
J. E. Spencer, W. L. Thomas ; cartography by Robert E. Winter. 
 - 2nd ed. 
 - London :  John Wiley & Sons,  1978. 
 - xii, 428 p. :  ill. ;  29 cm. 
<br/><br/> Includes index. 
<br/><br/>p. 401-415. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human geography.<br/>Social evolution.<br/>Ethnology.