Thomas, William L, ed. <br/><br/>
Man's role in changing the face of the earth 

 - Chicago  University of Chicago press  1956 
 - V1, (xxxviii, 448p.); ill,23cm. 
<br/><br/><label>ISBN: </label>226796043 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth<br/>Ecology<br/>Environment<br/>Land<br/>Man<br/>Man and Earth