Collection
- 17th-20th Century Correspondence and Documents, 1664-19761
- 460th Heavy Bombardment Group Society papers, 1943-2015, Date acquired: 02/07/20151
- 484th Bombardment Group Association papers, 1939-19981
- A. Bayard Angle papers, 1897-2001, Date acquired: 00/00/20031
- A.P. "Pat" Bolton Collection, 1936-19728
- Abril Lamarque Collection, 1883-20011
- Admiral Richard H. Leigh Papers, 1870-1944, Date acquired: 00/00/19581
- Adolph Westheimer Collection, 1932-1999, 1944-1945, Date acquired: 08/01/19991
- Advertising Trade Cards Collection, bulk 1870-19701
- Aerial photograph collection, 1938-19881
- African American Legacy: The Carol Mundy collection, 1791-200360
- Alan and Rita Wold collection, 1924-1949, Date accessioned: 2019-12-202
- Albert Tipton Reel-to-Reel Collection, 1932-20031
- Albin Polasek Collection, 1897-20041
- Alex Haley Papers, Circa 1937-19936
- Alice in Wonderland collection, 1900-2013, Date acquired: 05/00/20151
- Allen Morris Papers, 1861-19701
- Allie Yniestra School Parent Teacher Association Records, 1937-1969, Date acquired: 12/00/19881
- Alma Sarett papers, 1933-1976, Date acquired: 00/00/1982, bulk 1956-19761
- Alta Mae Clark Collection, Circa 1930-19691