- A. & R. Fisher Paper Company Ledger, 1840/18511
- A.B. Stickney, Compiler, Genealogical Materials, 1838/19591
- A.C.L. Gatewood Papers, 1801/19191
- Aileen Shafer, Collector, Material regarding African-Americans, 1829/18845
- Alfred Beckley (1802-1888) Papers, 1832/18561
- Allen Family Papers, 1766/193328
- Alpheus Garrison Civil War Records, 1804/18881
- Ancella Bickley, Historian, Research Papers regarding African-Americans, 1775/2018, bulk 1970/201116
- Andrew Delmar Hopkins Papers, 1787/19431
- Andrew S. Core, Typescripts and Charts, 1804/18881
- Anita Cutright Burnett, Collector, Papers, 1790/19351
- Anthony Ware, Miscellaneous Papers, 1773/18861
- Appalachian Prints Collection, 1839/2010, bulk 1859/19094
- Aretas Brooks Fleming (1839-1923) Papers, 1784/19241
- Aretas Brooks Fleming Papers, 1784/19241