- Albert Frederick Wilson papers, 1840/19342
- Albert M. Reese (1872-1965) Papers, 1873/19541
- Albert R. Gallatin papers, 1795/18281
- Albert Taylor Bledsoe and Sophia Bledsoe Herrick letters, 1858/19081
- Alderman family papers, 1779/19617
- Alexander Brown Papers (I), 1815/19108
- Alexander Brown Papers (II), 1748/19006
- Alexander Farish Robertson Papers, 1867/193115
- Alexander Foreman, Photographer, Glass Plate Negatives, 1890/19251
- Alexander Haight family collection, 1764/197613
- Alexander Haight family collection, 1764/197719
- Alexander Hamilton, Jr. Letters, 1832/18331
- Alexander Lockhart Nelson papers, 1848/19021
- Alexander McNutt Glasgow Family Papers, 1823/19038
- Alexander Sterrett Paxton Papers, 1858/1959, bulk 1861/18652