- Armistead-Cocke Papers, 1680/19178
- Austin-Twyman Papers, 1765/193917
- B. J. Spruell Account Book, 1782/18362
- Baird Family Papers, 1656/1922, bulk 1656/18483
- Bakers' Guild Bylaws and Register (Harburg, Germany), 1668/18091
- Barraud Family Papers, 1799/1904, bulk 1810/18601
- Barron Family Papers, 1793/19423
- Barry S. Martin collection of historical manuscripts and documents, 1771/18303
- Benjamin Layman Papers, 1752/18152
- Benjamin Stoddert Ewell Papers, 1784/1934, bulk 1830/18923
- Berkeley County, Virginia (W.Va.) Tax Records, 1790/18132
- Betty Washington Lewis family papers, 1783/18441
- Bevill Family Papers, 1558/1939, bulk 1558/17071
- Bishop James Madison Collection, 1776/18071
- Bishop James Madison Papers (Photostats), 1777/18124