- Aurora, Preston County Papers, 1754/19001
- Austin-Twyman Papers, 1765/19392
- Baer Family Papers, 1744/19291
- Baird Family Papers, 1656/1922, bulk 1656/18482
- Bakers' Guild Bylaws and Register (Harburg, Germany), 1668/18091
- Barry S. Martin collection of historical manuscripts and documents, 1771/18302
- Baylor Family Papers
1653-19154
- Benjamin Kissam papers, 1755/17762
- Benjamin Layman Papers, 1752/18152
- Berkeley Family Papers
1536-present2
- Bevill Family Papers, 1558/1939, bulk 1558/17071
- Bigler-Sessler-John Family Papers, 1752/19251
- Blair Family Papers, 1741/17921
- Blow Family Papers, 1613/1960, bulk 1770/18756
- Board of Visitors records, 1757/20232