- Early Records of the Mount Vernon Ladies' Association, 1853/1951, bulk 1853/18756
- Geo. Gregory Smart collection of Washington and Mount Vernon ephemera, 1793/20175
- Historic ephemera collection, 1796/19864
- Historic newspapers collection, 1757/195715
- Historical Photograph Collection, 1850/20101
- John Augustine Washington III and Eleanor Love Selden correspondence, 1842/18602
- John Augustine Washington III and family papers, 1789/19944
- Lily Laughton Papers, 1850/18911
- Morley Jeffers Williams Collection, 1602/19677
- Papers of the Superintendent and Resident Director, 1850/19961
- Peter family papers, 1722/19329
- Publications - History of Mount Vernon and George Washington, 1854/20121
- Publications and Printed Material of the Mount Vernon Ladies' Association, 1854/20163
- Restoration Files for the Historic Structures Report, 1750/20052