- Charles L. Campbell (b. 1876), Compiler, Typescripts, 1789/19561
- Charles Mortimer Bishop (1827-1896) Papers, 1857/18971
- Charles Shetler, Curator and Historian, Papers, 1700/19651
- Coopers Rock Foundation Records, 1957/20131
- Felix Nemegyei, Engineer, Papers, 1811/18501
- General Store in Jefferson County, Virginia Account Ledger, 1800/18011
- Greenville Iron Furnace Ledger, 1818/18291
- Harrison Hagans (1796-1867) Papers, 1810/18951
- Henry Ruffner (1790-1861) and William Henry (1824-1908) Papers, 1829/19131
- Holt-Keyes Families Papers, 1878/19441
- Isaac Meason, Iron Producer, Iron Industry Ledgers, 1801/18221
- Jackson Family of Monongalia and Preston Counties Papers, 1814/1891, bulk 1833/18641
- James R. Moreland Papers, 1904/19401
- John Rogers (1786-1864) Papers, 1777/18571
- John Rogers Correspondence, 1788/18701