- Charles E. Krebs (1870-1954) Papers, 1912/19391
- Clarence Edwin Smith (1885-1959) Papers, 1787/19572
- Consolidation Coal Company Consultant Report and Clippings, 1915/19561
- Davis Coal and Coke Company Records, 1898/19551
- Davis Coal and Coke Company Records, 1900/19411
- Donald E. Smith, Collector, Records, 1884/19561
- Edwards Family Papers, 1844/19511
- Erskine Coal and Land Company Records, 1815/19701
- Etna-Connellsville Coke Company Minute Book, 1912/19321
- Gauley Mountain Coal Company Papers, 1908/19511
- Henry Drury Hatfield (1875-1962) Papers and Correspondence, 1913/19581
- Israel C. White Papers, 1867/19411
- James R. Moreland (1879-1955) Papers, 1809/19481
- Kemble White (1873-1965) Papers, 1898/19651
- Major W. P. Tams, Jr. Transcript of an Interview, 1825/19341