U.S. Dept. of Labor, Bureau of Labor Statistics , For sale by the Superintendent of Documents, U. S. Govt. Print. Off.
1981
Bulletin / Bureau of Labor Statistics
no. 3000-19, 3010-21, 3015-57, 3020-44, 3025-35, 3030-30, 3035-32, 3045-25, 3055-27
Mar. 1980 , Mar. 1981 , Jul. 1982 , Jul. 1983 , Jul. 1984 , Jul. 1985 , Jul. 1986 , Jul. 1988 , Jul. 1990
Available at 2 libraries