- Alexandria History Collection (MS240), 1767/20081
- Anna Burton Ellett Collection, 1751/19322
- Armistead-Cocke Papers, 1680/19172
- Association for the Preservation of Virginia Antiquities, Montgomery County Branch Papers, 1754/1996, bulk 1958/19831
- Barry S. Martin collection of historical manuscripts and documents, 1771/18301
- Blow Family Papers, 1613/1960, bulk 1770/18751
- Board of Visitors records, 1757/20232
- Bushrod Washington family papers, 1662/18352
- Cabell Family Papers, 1693/1913, bulk 1743/18232
- Carl R. Dolmetsch Papers, 1751/19901
- Carol R. Lubin papers, 1960/19812
- Carter Family Papers, 1667/1862, bulk 1792/18611
- Chapin collection of Washington & Custis family documents, 1758/18291
- Charles Brown Papers, 1792/18881
- Charles Campbell Papers, 1743/18963