- A. & R. Fisher Paper Company Ledger1
- A.B. Stickney, Compiler, Genealogical Materials1
- A.C.L. Gatewood Papers1
- Abner Osburn, Physician, Papers1
- Aileen Shafer, Collector, Material regarding African-Americans5
- Alfred Beckley (1802-1888) Papers1
- Allen Family Papers30
- Alpheus Garrison Civil War Records1
- Alston Gordon Dayton Papers2
- Ancella Bickley, Historian, Research Papers regarding African-Americans17
- Andrew Delmar Hopkins Papers1
- Andrew S. Core, Typescripts and Charts1
- Anita Cutright Burnett, Collector, Papers1
- Anthony Ware, Miscellaneous Papers1
- Appalachian Prints Collection3