United Nations <br/><br/>
Demographic year book 1961 

 - 
 - United Nations Publication, New York  1965 
 - 
 - .
<br/><br/>  
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population studies (Demography)
<br/><br/><label>Dewey Class. No.: </label>304.6  UNI-D