Thirty years of research in human fertility:   retrospect and prospect . 

 - New York :  MMF ,  1959 
 - 157p.;  ills.;  22 cm 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertility<br/>Demography
<br/><br/><label>Dewey Class. No.: </label>312.1  / MMF 3