- Adams, John Quincy, 1767-18481
- Adams, John, 1735-18261
- Adams, Louisa Catherine, 1775-18521
- Akers, Lilly & Ellison Families1
- Alexander Haight
1
- Alexander Mackay-Smith1
- Alexander, Hannah Lee Washington, 1811-18811
- Alexandra, Queen, consort of Edward VII, King of Great Britain, 1844-19251
- Alexandria (Va.) (1749-)1
- Alexandria (Va.). City Clerk1
- Alexandria (Va.). Department of Housing and Community Development1
- Alexandria (Va.). Department of Planning and Urban Renewal1
- Alexandria (Va.). Office of City Engineer1
- Allen family1
- Amanda Hall Rare Books1