Semple, Ellen Churchill. <br/><br/>
Influences of geographic environment :  on the basis of Ratzel's system of anthropogeography / 
Ellen Churchill Semple. 
 - London :   Constable, 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human beings--Effect of environment on
<br/><br/><label>LC Class. No.: </label>GF31