- A. E. Dick Howard papers, 1928/20172
- Addison H. Smith papers, 1917/1970, bulk 1917/19222
- African American Hugh Carr family, River View Farm, and the Papers of the Ivy Creek Foundation, 1916/19881
- Albert Frederick Wilson papers, 1840/19341
- Albert R. Gallatin papers, 1795/18281
- Alderman family papers, 1779/19611
- Alexander G. Gilliam collection of University of Virginia history papers, 1921/20192
- Alice Constance Burford Booth Papers, 1940/19684
- American Rhododendron Society Records, 1927/20222
- Amélie Rives papers, 1930/19832
- André Kertész photographs, 1925/19693
- Armistead Mason Dobie papers, 1902/196529
- Armstead L. Robinson papers, 1848/2001, bulk 1967/19921
- Arthur J. Morris memorabilia, 1884/19921
- Arthur L. Wharton papers, 1930/19632