- Audio Visual Collection, 1928/20158
- Edith Sprouse Subject Files, 1960/19864
- Financial Records of the Mount Vernon Ladies' Association, 1858/201550
- Geo. Gregory Smart collection of Washington and Mount Vernon ephemera, 1793/201714
- George Washington Memorial Parkway History Collection, 1900/20015
- Guest Books and Visitor Registers, 1850/20162
- Historic ephemera collection, 1796/19869
- Historic manuscript collection, 1601/19331
- Historic map collection, 1675/19712
- Historical Photograph Collection, 1850/20106
- John Augustine Washington III and family papers, 1789/19947
- Land Records of the MVLA, 1858/20065
- Maps of Mount Vernon and the surrounding areas, 1857/19924
- Measured Drawings and Blueprints of Mount Vernon, 1870/20163
- Morley Jeffers Williams Collection, 1602/19673