- Abraham Anson papers, 1939/20051
- Abraham's Table manuscript, 1983/20121
- Academic Affairs: Academic Program Reviews, 1976/2018, bulk 1992/20181
- Adagio Press Collection, 1957/19931
- Adam Empie Papers, 1811/2004, bulk 1811/18501
- Admiral Thomas J. Lopez Papers, 1973/20141
- Admissions Office student recruitment materials, 1950/20191
- Adolphus DeBussey, Soldier, Civil War Letters, 1861/1998, bulk 1861/18711
- Advisory Committee Research Collection, 1772/20171
- Aerial Photographs of the Virginia Dept. of Transportation, 1930/20151
- Agnes M. Marshall/American Association of Neuroscience Nurses Papers, 1967/20091
- Agnes Wolf papers, 1966/20061
- Agra Bennett, Papers Regarding Estate and Residence, 1967/20101
- Al Gross Papers, 1909/20001
- Alan Bowne papers, 1964/1991, bulk 1980/19891