- Account Books, 1782/18952
- Ackerly Family Papers4
- Adele Goodman Clark papers, 1849/19781
- African American Stereoview Collection, 1860/19011
- Alexander Brown Papers (I), 1815/19104
- Alexander Family Papers
1800-18909
- Alexander Family Papers, 1860/18671
- Alexander Jackson Davis architectural drawings, 1859/18705
- Alexander Sterrett Paxton Papers, 1858/1959, bulk 1861/18651
- Alexander Von Humboldt Portrait Print, 1855/18901
- Alexandria Black Family Reunion Digital Collection, 1937/20051
- Alfred Spates Papers
1843-19095
- Alice and Phoebe Cary Collection
1855-1870,
n.d.1
- Alice and Phoebe Cary Collection
1858-18901
- Allen-Kean-Laurence family letters, 1837/19601