- Barker-Cooke Papers, 1809/1889, bulk 1848/18661
- Barraud Family Papers, 1799/1904, bulk 1810/18601
- Bell, Kent, Cloyd, Withrow Family Collection, 1780/199821
- Benjamin Stoddert Ewell Papers, 1784/1934, bulk 1830/18928
- Benjamin Thompson Papers, 1810/18961
- Benjamin Waller Account Book, 1803/18331
- Beverley Papers, 1796/18341
- Bishop James Madison Papers (Photostats), 1777/18122
- Blackley Family papers, 1830/20201
- Blair, Banister, Braxton, Horner, Whiting Papers, 1760/1890, bulk 1765/18171
- Blow Family Papers, 1613/1960, bulk 1770/187549
- Board of Trustees records, 1774/19667
- Board of Visitors records, 1757/20232
- Bowman Family Papers, 1765/19982
- Braun-Jung Family papers, 1850/20181