Hertzler, J. O. <br/><br/>
The crisis world population: a sociological examination with special reference to the underdeveloped areas 

 - Lincoln  University of Nebraska Press  1956 
 - ix, 279 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population<br/>Underdeveloped areas<br/>Sociology 
<br/><br/><label>Dewey Class. No.: </label>301.32  / H3C7