- "Arts in Virginia" (PB-04), 1960/19931
- A. E. Dick Howard papers, 1928/20174
- A. Jane Duncombe Architectural Papers, 1952/20022
- A. Patrick L. Prest, Jr. papers, 1941/20143
- ALIVE (ALexandrians InVolved Ecumenically) Records (MS300), 1969/19956
- Abraham Anson papers, 1939/20056
- Academic Affairs: Academic Program Reviews, 1976/2018, bulk 1992/20181
- Administrative Management Society records, 1941/1987, bulk 1941/19871
- Admiral Thomas J. Lopez Papers, 1973/20144
- Agnes Wolf papers, 1966/20061
- Alan Bowne papers, 1964/1991, bulk 1980/19893
- Alan Clarke Railroad Research Papers, 1861/20121
- Albert J. Wasserman Papers, 1925/20032
- Albert L. Sturm Papers, 1904/19885
- Alberta Pfeiffer Architectural Collection, 1929/19761