- Joseph and Henry Bennett Papers, 1849/19231
- Lantz Family Papers, 1814/19211
- Marmaduke Dent Ledgers, 1855/18911
- Max Mathers Collection Papers, 1821/19571
- Maxwell Family Papers, 1845/2017, bulk 1845/19501
- Michael K. Johnson, Collector, Papers, 1830/19581
- Monongalia County (W. Va.) Court Records and Miscellaneous Papers, 1774/19541
- Monongalia County Historical Records, 1792/1982, bulk 1878/19761
- Monongalia County History, 1775/19501
- Monongalia County Property Tax Ledgers, 1851/19541
- Monongalia Historical Society Records, 1827/1935, bulk 1925/19351
- Monongalia and Harrison Counties Surveys, 1795/19031
- Mrs. Charles Morgan, Collector, Morgan Family Land Records, 1781/18761
- Mrs. J.D. Fletcher, Collector, Papers, 1857/19541
- Mrs. Lawrence M. Cox Papers, 1816/19401