Thomas L. William Jr. <br/><br/>
Man's role in changing the face of the earth :  an international symposium under the co-chairmanship / 
William L. Thomas Jr. 
 - ed. 
 - Chicago :  National Science Foundation,  1956. 
 - 1193  p. :  ill ;    cm. 
<br/><br/>Include Index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human Geography.