- Bevill Family Papers, 1558/1939, bulk 1558/17071
- Bigler-Sessler-John Family Papers, 1752/19251
- Blair Family Papers, 1741/17921
- Blair, Banister, Braxton, Horner, Whiting Papers, 1760/1890, bulk 1765/18174
- Blow Family Papers, 1613/1960, bulk 1770/18758
- Board of Visitors records, 1757/20236
- Borland Family Papers, 1771/19401
- Bowman Family Papers, 1765/19982
- Boyers Morgan Clark, Compiler, Genealogy Records, 1660/19551
- Bradford Laidley Papers, 1755/19911
- Bradley T. Johnson Papers
1676-19372
- Brady Family Papers, 1750/19801
- Brafferton Estate Collection, 1691/19351
- Bray Papers, 1730/18174
- Brown Family Papers, Photographs and Maps, 1765/19591