Collection
- A.C. Lyles Papers, Date acquired: 05/22/2014729
- A.P. "Pat" Bolton Collection, 1936-1972144
- AARLCC History Collection, 1995-Present138
- AESOP Scrapbook (Association of Educational Secretaries & Office Personnel), 1968–1998 (bulk 1968–1986)52
- Abispo Verdi papers, 20th century9
- Abraham Lifschitz collection, 1942-1946, Date acquired: 02/08/201216
- Abril Lamarque Collection, 1883-20011
- Academic Affairs, 1993-current1,494
- Academic Support Services, 20001
- Ada Fernald Rees collection, 1925-19277
- Adeline Wilkes Collection of Dr. Doris Clack Research Materials, 1975-1997, Date acquired: 02/14/2014, bulk 1995-19972
- Administration and Finance, 1993-current569
- Admiral Richard H. Leigh Papers, 1870-1944, Date acquired: 00/00/195822
- Adolph Westheimer Collection, 1932-1999, 1944-1945, Date acquired: 08/01/199911
- African American Legacy: The Carol Mundy collection, 1791-20031,284
- African American Success Foundation Collection, 1999-2020143
- Agustín Villegas Collection, date unknown4
- Ahlander Collection, date unknown33
- Al Davis papers, 1960-2011, Date acquired: 08/01/2016663
- Al Hackett papers, 1961-198027