- Siler Family Papers, 1848/19681,160
- Gregory A. Prince Mormon Studies Collection, 1813/2020293
- Long/Trail Southeastern West Virginia Historical Records, 1870/2025262
- Henry Gassaway Davis (1823-1916) Papers, 1799/1919238
- Papers of the Low Moor Iron Company
1873-1927214
- Philip S. Hench Walter Reed Yellow Fever collection, 1800/1998, bulk 1863/1974188
- Emory L. Kemp Papers regarding Industrial History, 1735/2021169
- Galt Papers (III), 1750/1991168
- Papers of Mark Twain
1862-1946, bulk 1872-1910154
- J. Hoge Tyler Family Collection, 1802/1956152
- Roy Bird Cook (1886-1961), Collector, Papers, 1679/1984, bulk 1840/1960148
- Restoration Files for the Historic Structures Report, 1750/2005141
- John L. Nau III Civil War History Collection, 1806/1988, bulk 1861/1865131
- Monongalia County (W. Va.) Court Records and Miscellaneous Papers, 1774/1954114
- West Virginia University, President's Office, Departmental, and Other Records, 1864/1989, bulk 1867/1920113