The challenge of man's future;  an inquiry concerning the condition of man during the years that lie ahead.  

 - New York,  Viking Press  1954.  
 - 290 p  illus  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human geography.
<br/><br/><label>LC Class. No.: </label>GF31  / .B68