- Alexander Sterrett Paxton Papers, 1858/1959, bulk 1861/18651
- Alexandria Black Family Reunion Digital Collection, 1937/20051
- Alexandria History Collection (MS240), 1767/200812
- Alexandria Library Company Records (MS002), 1794/20071
- Alexandria Office of Sheriff Jail Records (MS054), 1891/19483
- Alfred A. Bolton, Papers regarding History of Management and Other Material, 1900/200732
- Alfred C. Payne Collection, 1917/20031
- Algernon B. Chandler, Jr. Records, 1912/19284
- Alice Rice Jaffe Papers, 1807/1950, bulk 1919/19501
- Alleghany Chapter, National Society of the Daughters of the American Revolution Records,, 1890/20227
- Allen Family Papers, 1766/19335
- Allen-Johnson Family Papers, 1838/19471
- Alma Frances Brown autograph album, 1927/19281
- Althea Hunt Papers, 1926/196116
- Alumni Association Photograph Collection, 1960/2010, bulk 1970/19901