- Alexandria (Va.). Office of City Engineer2
- Alexandria Library (Alexandria, Va.)1
- Alexandria Library (Alexandria, Va.). Board1
- Alexandria Library Association (1897-1937)1
- Alexandria Library Company1
- Alexandria Library Society (1937-1953)1
- Alexandria Sheriff's Department1
- Alford, Neill H., Jr. (Neill Herbert), 1919-20071
- Alfred I. Du Pont School District1
- Allcock, Betty Lou1
- Allen family1
- Allen, Carl B.1
- Almeida, Marília Sant'Anna de, 1948-1
- Almond, Edward M. (Edward Mallory), 1892-19791
- Alpha Kappa Alpha Sorority1