Fertility data in population census / 
United States 
 - New York :  UN,  1949 
 - 31 p. :  28 cm. 
 - Population Studies, No.6 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population--Population statistics
<br/><br/><label>Dewey Class. No.: </label>304.6  / DSA