- Okey Meadows, Coal History Manuscript1
- Oscar Kubach Papers, 1815/19391
- Pardee and Curtin Lumber Company Records, 1889/19381
- Paul Nyden, Collector, Five Unpublished Manuscripts Dealing with Coal Mining, Miners, and Unions, 1932/19751
- Peale, Peacock & Kerr Co. Records, 1917/19211
- Peoples' Appalachian Research Collective Papers regarding Strip Mining, 1968/19731
- Pocahontas Operators Association Records, 1941/19731
- Preston County (W. Va.) Court Records and Miscellaneous Papers, 1775/19181
- Progressive Mine Workers of America, Archives, 1932/19651
- R.P. Chew Correspondence, 1904/19081
- Rush Meadows Papers, 1901/19671
- Samuel Davis Stokes Papers, 1915/19251
- Slaughter's Creek Coal & Land Company Records, 1905/19481
- Smokeless Coal Operators Association Records, 1800/19611
- Smokeless Coal Operators Association Records, 19631