Sex and age patterns of participation in economic activities / 
[prepared by the Population Branch of the Bureau of Social Affairs, in collaboration with the International Labour Office, and with the co-operation of the Statistical Office of the United Nations]. 
 - New York :  United Nations, Dept. of Economic and Social Affairs,  1962. 
 - Demographic aspects of manpower ;  report 1 .
 - United Nations. Dept. of Economic and Social Affairs. Population studies ;  no. 33 [United Nations. Document] ; ST/SOA/Ser.A/33 .
 - Population studies (New York, N.Y.) ;  no. 33 .
<br/><br/> "United Nations publication. Sales no.: 61.XIII.4." 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manpower.<br/>Demography.