- Armistead-Cocke Papers, 1680/19176
- Armstead L. Robinson papers, 1848/2001, bulk 1967/19922
- Asa Dupuy Notebook, 1819/18212
- Ashcraft Family Genealogy, 1732/19721
- Association for the Preservation of Virginia Antiquities, Montgomery County Branch Papers, 1754/1996, bulk 1958/19832
- Augusta County Account Book, 1804/18241
- Augusta County and Bath County, Virginia, Receipts, 1780/18482
- Augusta County, Va. Merchant's Journal, 1819, 18191
- Aurora, Preston County Papers, 1754/19001
- Austin-Twyman Papers, 1765/193951
- B. J. Spruell Account Book, 1782/18362
- Baer Family Papers, 1744/19291
- Baird Family Papers, 1656/1922, bulk 1656/18482
- Baker Family Papers
1781-19218
- Baker Family Papers, 1805/19112