- "Scenes from Behind the Wall: Images of East Germany, 1989/90" exhibit collection, 1989/20121
- 8th Evacuation Hospital collection, 1941/20111
- A hundred years of : Lex Flex, 20031
- A. E. Dick Howard papers, 1928/20171
- A. H. Hand Papers, 1835/20091
- A. J. Davis Family Collection, 1874/2007, bulk 1874/19071
- A. Patrick L. Prest, Jr. papers, 1941/20141
- Abbye A. Gorin Architectural Collection, 1940/2006, bulk 1995/20061
- Abraham Anson papers, 1939/20052
- Abraham's Table manuscript, 1983/20121
- Academic Affairs: Academic Program Reviews, 1976/2018, bulk 1992/20181
- Adam Empie Papers, 1811/2004, bulk 1811/18501
- Addition to the South Asian Student Association Records, 1997/20041
- Admiral Thomas J. Lopez Papers, 1973/20141
- Admissions Office student recruitment materials, 1950/20191