UMWA Correspondence -- John L. Lewis - Testimony before the Special Subcommittee on Mine Safety, U.S. Safety Committee on Labor and Public Welfare, 1952/01/29

UMWA Correspondence -- John L. Lewis - Testimony before the Special Subcommittee on Mine Safety, U.S. Safety Committee on Labor and Public Welfare, 1952/01/29, Box: S2/Box 28, Folder: 12. United Mine Workers of America, Health and Retirement Funds, Records, A&M 2769. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/117173 Accessed December 08, 2025.