Black lung supplemental and oversight on HEW positions : hearing before a subcommittee of the Committee on Appropriations, United States Senate, Ninety-fifth Congress, second session : special hearing [held at] Department of Health, Education, and Welfare, Department of Labor.
United States.Congress.Senate.Committee on Appropriations.Subcommittee on Departments of Labor, and Health, Education, and Welfare, and Related Agencies.
Washington : U.S. Govt. Print. Off.,
1978.
Department of Health, Education, and Welfare. Department of Labor.
Disability insurance
Coal miners
Lungs