- Basil Lanneau Gildersleeve Papers
1799-19892
- Baylor Family Papers
1653-19157
- Baytop-Fitzhugh Papers, 1840/18661
- Bell, Kent, Cloyd, Withrow Family Collection, 1780/19981
- Benjamin Stoddert Ewell Papers, 1784/1934, bulk 1830/189216
- Berkeley Family Papers
1536-present3
- Blackford Family Papers
1849-18701
- Blair, Banister, Braxton, Horner, Whiting Papers, 1760/1890, bulk 1765/18172
- Board of Visitors minutes, 18391
- Booton-Modesitt Family Papers, 1809/1880, bulk 1820/185011
- Borland Family Papers, 1771/19401
- Bound Music Collection, 1800/197019
- Bradley T. Johnson Papers
1676-19375
- Braxton County (W. Va.) Court Records and Miscellaneous Papers, 1830/19531
- Brooke County (W. Va.) Court Records and Miscellaneous Papers, 1780/191811