- Assorted Monongalia County, West Virginia, Historical Documents, 1827/19491
- Athletics, 1830/20251
- Atkeson-Morgan Family Papers, 1833/1923, bulk 1850/190022
- Attorney's Account Book (Grayson and Wythe Counties, Va.), 1847/18592
- Aubrey E. Strode papers, 1861/19691
- Aurora, Preston County Papers, 1754/19001
- Austin-Twyman Papers, 1765/1939100
- Autographs of Virginians, 1846/19082
- Avery Methodist Protestant Church Records, 1843/19482
- Ayres Papers, 1833/18552
- B. Davenport & Co. Ledger, 1841/18612
- B. Floyd Flickinger papers, 1927/19501
- Baer Family Papers, 1744/19291
- Bagby Family Papers, 1854/19012
- Bailee Family Photographs, 1850/19001