- Alexander Von Humboldt Portrait Print, 1855/18901
- Alexander White Pitzer Speech, 18731
- Alexander, Fultz, and Willson Families Collection, 1770/19701
- Alexandria Black Family Reunion Digital Collection, 1937/20051
- Alexandria History Collection (MS240), 1767/200832
- Alexandria Library Company Records (MS002), 1794/20079
- Alexandria Scrapbook Collection (MS003), 1830/18932
- Alexandria, Virginia City Records (MS019), 1750/1983, bulk 1825/18751
- Alfred C. Garnett, Jr. Papers
1868-19452
- Alfred E. Bradley Papers, 1864/1922, bulk 1916/19181
- Alfred Leyburn Papers, 1823/1899, bulk 1830/18391
- Alfred Spates Papers
1843-19095
- Alice Hermione Wheaton Literature Journal, 1860/18802
- Alice Rice Jaffe Papers, 1807/1950, bulk 1919/19501
- Alice and Phoebe Cary Collection
1858-18901