- 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, 1751/19325
- Association for the Preservation of Virginia Antiquities, Montgomery County Branch Papers, 1754/1996, bulk 1958/19832
- Bigler-Sessler-John Family Papers, 1752/19251
- Charles A. Miller Family Papers, 1708/19261
- Dickson Family Papers, 1769/192411
- Dorothy McCombs Collection,, 1970/19891
- Gaspard Monge Portrait Print, 1746/18181
- Historical Maps Collection, 1500/20233
- Hunt Family Papers, 1760/19462
- Jacob Kent Account Books, 1765/17962
- Jeremiah W. Graves Collection,, 1836/18691
- Lucy Lee Lancaster Papers, 1915/19891
- Marshall W. Fishwick Collection, 1700/2007, bulk 1923/20073
- Mount Vernon maps, 1766/19351