- Administration records collection, 1776/19767
- Adolphus DeBussey, Soldier, Civil War Letters, 1861/1998, bulk 1861/18712
- Adolphus P. Howard Papers, 1850/19381
- Advisory Committee Research Collection, 1772/201717
- African American Family Photographs, 1880/19602
- African American Family photograph album, 1910/19602
- African American Hugh Carr family, River View Farm, and the Papers of the Ivy Creek Foundation, 1916/19882
- African American Photographic Portraits, 1880/19531
- African and African American photograph collection, 1850/19451
- African-American Tenant Farmer Photographs, Clarksville, Virginia, 1920/19302
- African-American owned Virginia businesses letters and ephemera, 1919/19331
- Agnes Smith (1906-1994), Author, Correspondence, Manuscripts, and Publications, 1920/19701
- Agricultural Extension Service Records, 1914/19801
- Al Gross Papers, 1909/20002
- Alan Clarke Railroad Research Papers, 1861/201227