World population an future resources: proceedings of the second centennial academic conference of North Western University. 
edited by Paul K. Hatt 
 - New York :  American Book Co ,  1952 
 - xviii, 262p.:  ills.;  22 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography<br/>Population
<br/><br/><label>Dewey Class. No.: </label>312  / HAT