Stycos, J. Mayone <br/><br/>
Family and fertility in Puerto Rico:   a study of the lower income group / 
J. Mayone Stycos 
 - New York :  Columbia University Press ,  1955 
 - xv, 332p.;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertility<br/>Demography<br/>Puerto Rico
<br/><br/><label>Dewey Class. No.: </label>312.1  / STY