Collection
- "An Alarm to the frequenters of Plays, wrote by a Religious Person" handwritten broadside1
- 17th and 18th century British periodicals1
- A.J. Morrison Collection1
- Alexander Brown Papers (II)1
- Alexander Haight family collection2
- Alexander, Fultz, and Willson Families Collection1
- Alexandria History Collection (MS240)1
- Alexandria, Virginia City Records (MS019)1
- Allen Family Papers1
- Anderson Family papers1
- Andrew Lindamood papers1
- Anna Burton Ellett Collection1
- Anne Atkinson Chamberlayne Collection.1
- Anthony Ware, Miscellaneous Papers1
- Archibald Stuart Ledgers1