U.S. Dept. of Labor, Bureau of Labor Statistics : For sale by the Supt. of Docs., U.S. G.P.O.1964Bulletin / Bureau of Labor Statistics
1375-A , Occupational outlook report series
United States Department of Labor, Bureau of Labor Statistics[1960]Bulletin / Bureau of Labor Statistics
no. 1255-83 , Occupational outlook report series
U.S. Dept. of Labor, Bureau of Labor Statistics in cooperation with Veterans Administration[1960]Bulletin / Bureau of Labor Statistics
no. 1255-7 , Occupational outlook report series