- Adolphus P. Howard Papers, 1850/19381
- Adolphus P. Howard Papers, 1854/19041
- Advertisement Trade Card for "Quignon-Rombach", 1880/19201
- Advisory Committee Research Collection, 1772/201716
- African American Family Photographs, 1880/19602
- African American Photographic Portraits, 1880/19531
- African American Stereoview Collection, 1860/19011
- African American and Hampton Normal Institute Postcards, 1897/19132
- African American man tintype portrait, 1865/19001
- African and African American photograph collection, 1850/19451
- Alan Clarke Railroad Research Papers, 1861/201228
- Alan R. Shirkey photograph collection, 1877/19173
- Albert Blakeslee White (1856-1941) Papers, 1888/19296
- Albert C. Swindler Papers, 1862/1929, bulk 1862/18642
- Albert Frederick Wilson papers, 1840/19342