- Advisory Committee Research Collection, 1772/20179
- Aggregate Fund orders and vouchers of the Virginia Auditor of Public Accounts, 1788/18121
- Albert R. Gallatin papers, 1795/18281
- Alderman family papers, 1779/19613
- Alexander Balmaine Memorandum Book, 1775/18202
- Alexander Brown Papers (II), 1748/19001
- Alexander Campbell (1788-1866) Papers, 1808/18141
- Alexander Family Papers
1800-18901
- Alexander Haight family collection, 1764/19763
- Alexander Haight family collection, 1764/19773
- Alexander McRae Commission for Robert H. Warburton, 18082
- Alexander, Fultz, and Willson Families Collection, 1770/19701
- Alexandria Black Family Reunion Digital Collection, 1937/20051
- Alexandria History Collection (MS240), 1767/200813
- Alexandria Library Company Records (MS002), 1794/20078