U.S. Dept. of Labor, Bureau of Labor Statistics , For sale by the Supt. of Docs., U.S. Govt. Print. Off.
1967
Bulletin / Bureau of Labor Statistics
no. 1575-11, 1625-22, 1685-56, 1725-93, 3000-4, 3010-6, 3020-7, 3025-8, 3030-7, 3035-8, 3040-14, 3045-16, 3050-10, 3055-13
Sep. 1967 , Sep. 1968 , Apr. 1971 , Mar. 1972 , Mar. 1980 , Mar. 1981 , Mar. 1983 , Mar. 1984 , Mar. 1985 , Mar. 1986 , Mar. 1987 , Mar. 1988 , Mar. 1989 , Mar. 1990
Available at 4 libraries