- "The Negro" Lithograph, 1840/18691
- "Young Eph's Lament" Song Sheet, 1850/18991
- A. E. Dick Howard papers, 1928/20171
- A. Glass Account Book, 1844/18621
- A. H. Hand Papers, 1835/20091
- A. J. Davis Family Collection, 1874/2007, bulk 1874/19071
- A. S. Lara papers, 1856/18611
- A. Willis Robertson Papers, 1921/1988, bulk 1946/19663
- Absalom See Account Books, 1854/18692
- Adam Empie Papers, 1811/2004, bulk 1811/18501
- Adams Papers, 1782/18901
- Addie Rogers Bound Sheet Music Collection, 1827/18602
- Administration records collection, 1776/19766
- Advisory Committee Research Collection, 1772/20178
- Aileen Shafer, Collector, Material regarding African-Americans, 1829/18844