- Austin-Twyman Papers, 1765/19391
- Baer Family Papers, 1744/19291
- Baird Family Papers, 1656/1922, bulk 1656/18481
- Baker Family Papers, 1805/19111
- Barker-Cooke Papers, 1809/1889, bulk 1848/18661
- Barraud Family Papers, 1799/1904, bulk 1810/18601
- Barron Family Papers, 1793/19421
- Beard Papers, 1834/19061
- Benjamin Stoddert Ewell Papers, 1784/1934, bulk 1830/18921
- Beverley R. Tucker papers, 1886/19731
- Bevill Family Papers, 1558/1939, bulk 1558/17071
- Blair, Banister, Braxton, Horner, Whiting Papers, 1760/1890, bulk 1765/18171
- Blake W. Corson, Jr., Papers, 1861/1984, bulk 1934/19791
- Blakemore Papers, 1830/18891
- Bland Family papers, 1778/19891