"Legislative History of the Federal Coal Mine Health and Safety Act of 1969 (Public Law 91-173) as Amended through 1974 including Black Lung Amendments of 1972 prepared for the Subcommittee on Labor of the Committee on Labor and Public Welfare, United States Senate: Part 2", August 1975

"Legislative History of the Federal Coal Mine Health and Safety Act of 1969 (Public Law 91-173) as Amended through 1974 including Black Lung Amendments of 1972 prepared for the Subcommittee on Labor of the Committee on Labor and Public Welfare, United States Senate: Part 2", August 1975, Box: 66a, Folder: 14. J. Davitt McAteer Papers regarding Mining Safety, A&M 4219. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/112543 Accessed June 18, 2026.