Black lung benefits and revenue amendments of 1981 hearing before the Subcommittee on Labor, of the Committee on Labor and Human Resources, United States Senate, Ninety-seventh Congress, first session on S.1922, December 14, 1981
United States.Congress.Senate.Committee on Labor and Human Resources.Subcommittee on Labor.
Washington USGPO
1981
Lungs
Workmen's compensation