- Adam Rinica and George Rinica Account Book, 1822/18482
- Adams Papers, 1782/18902
- Additional Papers of the Randolph Family of Edgehill
1784-1910 (1975)1
- Administration records collection, 1776/19763
- Admiral John Randolph Tucker Papers, 1865/18972
- Alabama Collection, 1823/18932
- Albert R. Gallatin papers, 1795/18282
- Alderman family papers, 1779/19614
- Alexander Brown Papers (I), 1815/19103
- Alexander Brown Papers (II), 1748/19001
- Alexander Family Papers
1800-18906
- Alexander Haight family collection, 1764/19762
- Alexander Haight family collection, 1764/19773
- Alexander McNutt Glasgow Family Papers, 1823/19033
- Alexander W. Archer Textbook, 18252