- A. E. Dick Howard papers, 1928/20171
- African American man tintype portrait, 1865/19001
- Albert Frederick Wilson papers, 1840/19342
- Albert R. Gallatin papers, 1795/18281
- Albert Taylor Bledsoe and Sophia Bledsoe Herrick letters, 1858/19081
- Alderman family papers, 1779/19616
- Alexander Wylie Moore miscellaneous papers, 1896/19501
- Alexandria Hospital School of Nursing records, 1894/19871
- Alfred C. Garnett, Jr. Papers
1868-19457
- Alfred Dickinson Barksdale Papers
1893-19401
- Alfred Dickinson Barksdale Papers
1905-19732
- Alfred Oscar Elzner sketch book and album, 1883/19231
- Alfred Spates Papers
1843-19092
- Allen Caperton Braxton Papers3
- Ambrose Bierce Collection
18992