- Audio Visual Collection, 1928/201511
- Financial Records of the Mount Vernon Ladies' Association, 1858/20154
- Geo. Gregory Smart collection of Washington and Mount Vernon ephemera, 1793/20178
- Guest Books and Visitor Registers, 1850/20162
- Historical Photograph Collection, 1850/20102
- Land Records of the MVLA, 1858/20061
- Licensing Department Files, 1984/201488
- Measured Drawings and Blueprints of Mount Vernon, 1870/20163
- Mount Vernon Black and White Film Collection, 1933/20052
- Mount Vernon and MVLA Ephemera, 1858/20221
- Oral Histories of the Mount Vernon Ladies' Association, 1957/20153
- Papers of Mary V. Thompson, Research Historian, 1980/2012114
- Papers of the Mount Vernon Ladies' Association, 1858/201697
- Papers of the Superintendent and Resident Director, 1850/19961
- Publications - History of Mount Vernon and George Washington, 1854/20124