- A. H. Hand Papers, 1835/20092
- A. K. Leake Papers, 1872/19402
- A. Willis Robertson Papers, 1921/1988, bulk 1946/196611
- Abraham Lincoln Ephemera from England, 1909/19301
- Adam Empie Papers, 1811/2004, bulk 1811/18503
- Adele Blow Chatfield-Taylor family papers, 1899/197727
- African American Family Photographs, 1880/19601
- Albert C. Swindler Papers, 1862/1929, bulk 1862/18642
- Alexander, Grand Duke of Russia, Letter to Jonathan Myers, 19252
- Allen-Kean-Laurence family letters, 1837/19602
- Alma Fontaine Papers, 1923/19263
- Alumni Association Photograph Collection, 1960/2010, bulk 1970/19901
- Alumni Association Records, 1833/2014, bulk 1950/200516
- Alvin D. Chandler Naval Record, 1925/19511
- Alvin Duke Chandler Papers, 1896/1984, bulk 1950/19601