United States. Bureau of Labor Statistics
and Small, Sylvia S.
Black Americans: A Decade of Occupational Change : Bulletin of the United States Bureau of Labor Statistics, No. 1731 ,
Washington, D.C:
For sale by the Supt. of Docs., U.S. Govt. Print. Off.,
1972, https://fraser.stlouisfed.org/title/4659,
accessed on December 30, 2024.