United States Department of Labour <br/><br/>
Population and labour force projections for the United States, 1960 to 1975   

 - Washington, D.C.  The Auth.  1959 
 - iv, 56p. 
 - Bulletin No. 1242 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>331.11  / Un58.PL