- Alexander Brown Papers (I), 1815/191016
- Alexander Brown Papers (II), 1748/19008
- Alexander Family Papers
1800-18908
- Alexander Family Papers, 1860/18671
- Alexander Floyd Wall Correspondence, 1861/18652
- Alexander H. Davidson Letter, 18612
- Alexander Haight family collection, 1764/19768
- Alexander Hamilton, Jr. Letters, 1832/18331
- Alexander Jackson Davis architectural drawings, 1859/18701
- 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 1861/18657
- Alexander Tedford "Ted" Barclay correspondence, 1861/186415
- Alexander Von Humboldt Portrait Print, 1855/18901