- Alexander Craig Letter, 18602
- Alexander Family Papers
1800-18909
- Alexander Family Papers, 1860/18672
- Alexander Haight family collection, 1764/19765
- Alexander Haight family collection, 1764/197710
- Alexander Hamilton, Jr. Letters, 1832/18331
- Alexander Jackson Davis architectural drawings, 1859/18707
- Alexander Lockhart Nelson papers, 1848/19021
- Alexander M. Davis Papers, 1850/18924
- Alexander McNutt Glasgow Family Papers, 1823/19036
- Alexander Sterrett Paxton Papers, 1858/1959, bulk 1861/18653
- Alexander Von Humboldt Portrait Print, 1855/18901
- Alexander, Fultz, and Willson Families Collection, 1770/19701
- Alexandria Black Family Reunion Digital Collection, 1937/20051
- Alexandria Gazette Ledgers (MS026), 1833/186611