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Industrial safety : hearings before the Subcommittee on Health of the Committee on Labor and Public Welfare, United States Senate, Eighty-second Congress, second session, on S. 2325, Accident prevention act of 1951, and S. 2714, Industrial safety act. March 24, 25, 26, and 31, 1952
- "Industrial safety : hearings before the Subcommittee on Health of the Committee on Labor and Public Welfare, United States Senate, Eighty-second Congress, second session, on S. 2325, Accident prevention act of 1951, and S. 2714, Industrial safety act. March 24, 25, 26, and 31, 1952"