United Nations, Economic and Social Affairs, Department of- <br/><br/>
Levels and trends of fertility throughout the World, 1950-1970   

 - New York  United Nations  1977 
 - xiii, 361p. Tables, Corrigendum 
 - Population Studies, United Nations   no. 59 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>304.6309045  / Un58.LT