- Archibald Stuart Ledgers, 1757/18521
- Armistead Papers, 1736/18971
- Armistead-Cocke Papers, 1680/19176
- Ashcraft Family Genealogy, 1732/19721
- Association for the Preservation of Virginia Antiquities, Montgomery County Branch Papers, 1754/1996, bulk 1958/19832
- Aurora, Preston County Papers, 1754/19001
- Austin-Twyman Papers, 1765/19398
- Baer Family Papers, 1744/19291
- Baird Family Papers, 1656/1922, bulk 1656/18483
- Bakers' Guild Bylaws and Register (Harburg, Germany), 1668/18091
- Barron Family Papers, 1793/19421
- Barry S. Martin collection of historical manuscripts and documents, 1771/18303
- Baylor Family Papers
1653-19156
- Benjamin Kissam papers, 1755/17763
- Benjamin Layman Papers, 1752/18152