- Aretas Brooks Fleming Papers, 1784/19241
- Arithmetic Notebook, I, 1780/18201
- Armistead Papers, 1736/18971
- Armistead-Cocke Papers, 1680/191722
- Ashcraft Family Genealogy, 1732/19721
- Association for the Preservation of Virginia Antiquities, Montgomery County Branch Papers, 1754/1996, bulk 1958/19832
- Augusta County and Bath County, Virginia, Receipts,, 1780/18482
- Augustine Smith Papers, 1787/17931
- Aurora, Preston County Papers, 1754/19001
- Austin-Twyman Papers, 1765/193915
- B. J. Spruell Account Book, 1782/18362
- Baer Family Papers, 1744/19291
- Baird Family Papers, 1656/1922, bulk 1656/18481
- Baker Family Papers
1781-19213
- Bakers' Guild Bylaws and Register (Harburg, Germany), 1668/18091