- A Map of the Most Inhabited Part of Virginia and Maryland with part of Pensilvania, New Jersey, and North Carolina, 17751
- Anna Burton Ellett Collection, 1751/19321
- Association for the Preservation of Virginia Antiquities, Montgomery County Branch Papers, 1754/1996, bulk 1958/19831
- Bigler-Sessler-John Family Papers, 1752/19251
- Charles A. Miller Family Papers, 1708/19261
- Dickson Family Papers, 1769/19241
- Hunt Family Papers, 1760/19461
- Jacob Kent Account Books, 1765/17961
- Pauline E. Burks Family Papers, 1763/19851
- Preston Family (Alice Preston Moore Collection) Papers, 1749/18821
- Preston Family (Charles Peale Didier Collection) Papers, 1747/18971