- Clement Ross Jones (1871-1939) Papers, 1890/19321
- Coal Mining Disaster Reports Collection, 1938/19771
- County Highway Maps for West Virginia, 19371
- Courtney Family Papers, 1804/19201
- Courtney Family Papers, 1825/18631
- Courtney-Lazell Family Papers, 1966/19941
- D. Boston Stewart Papers, 1782/1919, bulk 1862/19061
- Daughters of the American Revolution, Elizabeth Ludington Hagans Chapter, Morgantown, West Virginia Records, 1892/19471
- Daughters of the American Revolution, Elizabeth Ludington Hagans Chapter, Morgantown, West Virginia Records, 1903/19471
- Deakins Family Papers and Surveying Compass, 1778/19251
- Deakins Family Papers, 1778/19251
- Dennis M. Willis Scrapbook, 1925/19291
- Donley L. Stiles, Reminiscences of Monongalia County, 1910/19161
- Dr. William H. Waddell, Veterinarian and Author, Records, 1938/19871
- E. L. Mathers and Max Mathers, Compilers, Monongalia County Scrapbook, 1838/19511