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- Major W. P. Tams, Jr. Transcript of an Interview, 1825/19341
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- Mary "Mother" Jones Letter, 19201
- Mason-Jackson Labor Council Papers, 1949/19771
- Miners for Democracy Papers, 19721
- Mountain People's Cooperative Archives, 1976/19781
- Ohio Valley Trades and Labor Assembly Records, 1888/19511
- Painters Local Union, No. 91, Wheeling, Records, 1886/19581
- Paul Nyden, Collector, Five Unpublished Manuscripts Dealing with Coal Mining, Miners, and Unions, 1932/19751
- Pocahontas Operators Association Records, 1941/19731
- Progressive Mine Workers of America, Archives, 1932/19651
- Teamsters Local 175, Scrapbook and Diary, 1938/19491
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- United Mine Workers of America Inventory, 19851