- Martinsburg and Berkeley County Papers, 1781/19531
- Maxwell Family Papers, 1845/2017, bulk 1845/19501
- Maxwell Family Papers, 1851/19291
- Morgantown Municipal Records, 1838/20131
- Oscar Doane Lambert, Historian, Papers regarding Historical Research, 1770/19291
- Parkersburg Town Council Journals, 1826/18741
- Peter Godwin Van Winkle (1808-1872) Papers, 1827/19021
- Peterson Family Papers, 1858/19131
- Pittenger Family Letters, 1841/18751
- Political Campaigns and Elections Material, 1860/20061
- Preston County Miscellaneous Papers, Political Papers, and Other Material, 1842/18711
- Preston Family Papers, 1817/19451
- Robinson Family Manuscripts, 1847/18831
- Rush Dew Holt (1905-1955) Papers, 1840/2003, bulk 1918/19551
- Samuel Price, Lawyer and Politician, Papers, 1788/18881