Hashmi, Sultan S. <br/><br/>
Factors in urban fertility differences in the United States / 
Sultan S. Hashmi 
 - Chicago :  University Press ,  1964 
 - 42-58p.;  20 cm.  
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertility--United States<br/>Demography
<br/><br/><label>Dewey Class. No.: </label>312.1  / HAS