Collection
- A.J. Morrison Collection1
- A.S. Hammack papers2
- Aaron Chipps, Coal Miner, Papers1
- Abbye A. Gorin Architectural Collection2
- Abraham Anson papers32
- Abraham Lincoln Collection1
- Academic Departments - Record Group 96
- Ackerly Family Papers12
- Ada Haldeman Ford, Suffragist, Papers1
- Adalbert J. Volck Collection of Etchings4
- Adam Empie Papers3
- Adams T. Rice papers4
- Addison H. Smith papers2
- Additional Henry Hughes Presler Papers ca. 1909-19652
- Additional Louis J. Halle, Jr. Papers 1938-19875