- Armistead-Cocke Papers, 1680/19172
- Arthur I. Boreman Papers, 1830/19491
- Arthur M. Squires Papers, 1888/1987, bulk 1940/19872
- Association for the Preservation of Virginia Antiquities, Colonial Capitol Branch Records, 1896/19892
- Association for the Preservation of Virginia Antiquities, Montgomery County Branch Papers, 1754/1996, bulk 1958/19832
- Atkeson-Morgan Family Papers, 1833/1923, bulk 1850/19002
- Austin-Twyman Papers, 1765/19392
- Bailey-Law Collection, 1825/19714
- Ball Family Papers, 1887/19763
- Barbara Howe, History Professor, Research Papers regarding the History of the College of Arts and Sciences, 1870/2005, bulk 1990/20052
- Barnes Family Papers, 1797/1926, bulk 1818/18751
- Barnette Collection, Lawyer, Businessman, Educator, Philanthropist, and Chairman Emeritus of Bethlehem Steel Corporation, 1905/20201
- Barron Family Papers, 1793/19421
- Base Hospital No. 41 collection, 1905/20091
- Baughman Family Papers, 1837/19682