- Audio Visual Collection, 1928/20151
- Financial Records of the Mount Vernon Ladies' Association, 1858/20158
- Guest Books and Visitor Registers, 1850/20161
- Historic ephemera collection, 1796/19861
- Historic map collection, 1675/19711
- Historical Photograph Collection, 1850/201040
- Maps of Mount Vernon and the surrounding areas, 1857/19922
- Mount Vernon Black and White Film Collection, 1933/200551
- Mount Vernon and MVLA Ephemera, 1858/20221
- Papers of the Superintendent and Resident Director, 1850/199613
- Restoration Files for the Historic Structures Report, 1750/20051
- Washington forgeries, facsimiles, and bookplates collection, 1863/19991