- Brown Family Papers, Photographs and Maps, 1765/19591
- Earl L. Core (1902-1984) Papers, 1756/19851
- Genealogical Society of Southwestern Pennsylvania, Collector, Material regarding Monongalia County Unrecorded Wills, 1726/17811
- Haymond-Fleming Law Firm Papers, 1760/19361
- Monongalia County (W. Va.) Court Records and Miscellaneous Papers, 1774/19541
- Monongalia County Revolutionary Soldiers, 1750/18501
- Rufus A. West, Collector, Papers, 1830/19521
- Thomas Ray Dille Papers, 1774/19392
- Thornton Tayloe Perry, Collector, Papers, 1732/19651
- William McCleery (1741-1821) Papers, 1770/1945, bulk 1770/18571
- Willis Guy Tetrick, Jr. Genealogy Research Papers, 1708/19971