- Agnes M. Marshall/American Association of Neuroscience Nurses Papers, 1967/20091
- Agra Bennett, Papers Regarding Estate and Residence, 1967/20101
- Alan Clarke Railroad Research Papers, 1861/20126
- Albemarle County Medical Society records, 1933/20151
- Albert S. Armentrout Collection, 1965/20092
- Alejandro Rodríguez Fornés (Alucho) collection, 2014/20193
- Alexander "Sandy" Gilliam papers, 1985/20161
- Alexander G. Gilliam collection of University of Virginia history papers, 1921/201914
- Alexandria Black Family Reunion Digital Collection, 1937/20056
- Alexandria Library Board Records (MS416), 1937/20209
- Alexandria Library Records (MS098), 1937/20135
- Alice Cartledge Cornett, Journalist, Papers, 1945/2017, bulk 1973/19921
- Allan Blank Papers, 1958/20095
- Allan G. Donn Papers, 1961/19701
- Alleghany Chapter, National Society of the Daughters of the American Revolution Records, 1890/202214