Oversight of the Administration of the Occupational Safety and Health Act, 1976: Hearings Before the Subcommittee on Labor of the Committee on Labor and Public Welfare, United States Senate, Ninety-fourth Congress, Second Session on Oversight of the Administration of the Occupational Safety and Health Act, Washington, D.C., April 12 and 13, 1976, Manchester, N.H., May 13, 1976, Jacksonville, FLA., September 27, 1976, Providence, R.I., December 9, 1976