Hatt Paul K <br/><br/>
Backgrounds of human fertility in Puerto Rico    a sociological survey 
Hatt Paul K 
 -  1952 
<br/><br/><label>Standard No.: </label>141,478 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLOGY
<br/><br/><label>Dewey Class. No.: </label>Y1:5.792, J2