Willcox, Walter Francis <br/><br/>
Studies in American demography. 

 - New York  Russell & Russell  [1971, c1940] 
 - xxx, 556 p.  illus. 
<br/><br/> 920617 
<br/><br/>Bibliography: p. 541-547. 
<br/><br/><label>LCCN: </label>78139945  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Population.
<br/><br/><label>LC Class. No.: </label>HB3505  / .W5 1971 
<br/><br/><label>Dewey Class. No.: </label>312/.0973