- A. Christian Compton Papers, 1960/19991
- A. E. Dick Howard papers on the Virginia Commission on Constitutional Revision, 1968/197155
- A. E. Dick Howard papers, 1928/201734
- A. H. Hand Papers, 1835/20092
- A. J. Davis Family Collection, 1874/2007, bulk 1874/19071
- A. J. Gustin Priest papers, 1919/19763
- A. Jane Duncombe Architectural Papers, 1952/20023
- A. Patrick L. Prest, Jr. papers, 1941/201422
- A. Rufus Tonelson Papers, 1922/19758
- A. Willis Robertson Papers, 1921/1988, bulk 1946/19664
- A.J. Morrison Collection, 1754/19751
- ALIVE (ALexandrians InVolved Ecumenically) Records (MS300), 1969/19954
- Abbye A. Gorin Architectural Collection, 1940/2006, bulk 1995/20062
- Abraham Anson papers, 1939/200541
- Academic Departments - Record Group 91