- Account Books, 1782/18952
- Ackerly Family Papers4
- Adele Goodman Clark papers, 1849/19781
- Alexander Brown Papers (I), 1815/19102
- Alexander Family Papers
1800-18909
- Alexander Haight family collection, 1764/19771
- Alexander Jackson Davis architectural drawings, 1859/18704
- Alexander Von Humboldt Portrait Print, 1855/18901
- Alexandria Black Family Reunion Digital Collection, 1937/20051
- Alfred Spates Papers
1843-19093
- Alice and Phoebe Cary Collection
1858-18901
- Allen-Kean-Laurence family letters, 1837/19601
- Appalachian Prints Collection, 1839/2010, bulk 1859/190942
- Armistead-Cocke Papers, 1680/19173
- Atkeson-Morgan Family Papers, 1833/1923, bulk 1850/19001