- A. E. Dick Howard papers, 1928/20172
- A. H. Hand Papers, 1835/20091
- A. Patrick L. Prest, Jr. papers, 1941/20141
- A. Rufus Tonelson Papers, 1922/19751
- A. S. Lara papers, 1856/18611
- A. Willis Robertson Papers, 1921/1988, bulk 1946/1966973
- A.E.S. Stephens Papers, 1949/19612
- Abbye A. Gorin Architectural Collection, 1940/2006, bulk 1995/20061
- Abraham Anson papers, 1939/200522
- Academic Departments - Record Group 92
- Ackerly Family Papers1
- Adalbert J. Volck Collection of Etchings, 1861/19793
- Adam Empie Papers, 1811/2004, bulk 1811/18502
- Adams T. Rice papers, 1922/19602
- Addison H. Smith papers, 1917/1970, bulk 1917/19222