- Alexander Campbell (1788-1866) Papers1
- Barns Family Records1
- Brown Family Papers, Photographs and Maps1
- Charles E. Krebs (1870-1954) Papers1
- Fletcher Brock Papers1
- Genealogical Society of Southwestern Pennsylvania, Collector, Material regarding Monongalia County Unrecorded Wills1
- Gideon D. Camden (1805-1891) Papers1
- Greene County, Pennsylvania, Genealogy Index1
- Isaac & Josiah Williams Brick Company, Account Books1
- Isaac Meason, Iron Producer, Iron Industry Ledgers1
- Jim Comstock, Newspaper Editor and Collector, Papers1
- John H. D. McGill Diary1
- John P. Clarke (1825-1900) Papers1
- John Pomroy, Army Captain, Letter regarding Frontier War in the Upper Ohio Valley1
- John Rogers (1786-1864) Papers3