- Amos Koontz Papers II, 1865/197016
- Anatole and Vladimir Kalichevsky Papers, 1871/19557
- Anderson Benskin Smith, Sr. Ledgers, 1916/1938, bulk 1916/19361
- Anna Jean Snowden notebook, 1916/19181
- Anna Lou Jose Papers, 1905-1936, 1964, 1905/19641
- Anne T. Chapman Papers, 1884/19544
- Annie Baker Tucker's Colonial Ancestral Chart and Family Records, 1888/19191
- Anson Du Puy Van Buren letters, 1863/19971
- Appomattox Manor Music Collection, 1800/1940, bulk 1850/19101
- Armistead Family Papers, 1865/1946, bulk 1927/19293
- Armistead-Cocke Papers, 1680/19172
- Arthur George Williams Scrapbooks, 1905/19351
- Arthur P. Pratt Letter, 19171
- Arthur Phillips Letters, 1917/19231
- Arthur W. and Leah James Scrapbooks, 1909/19772