- 19th Century Virginia albumen photographs, 1880/18991
- 6th Battery of Binghamton, N.Y. Veterans minute book, 1871/19111
- A. H. Hand Papers, 1835/20091
- A. K. Leake Papers, 1872/19401
- A.J. Lawrence Account Book, 1857/18831
- Abbie Louisa Hill Scrapbook, 1874/18841
- Abolitionist Movement Collection, 1834/18881
- Abraham Rudisill diary, 1875/18861
- Accounts, 19th Century, 1836/18971
- Adam Empie Papers, 1811/2004, bulk 1811/18501
- Adams Papers, 1782/18901
- African American Family Photographs, 1880/19601
- African American Stereoview Collection, 1860/19011
- Alabama Collection, 1823/18931
- Albert C. Swindler Papers, 1862/1929, bulk 1862/18641