- Audio Visual Collection, 1928/20151
- Financial Records of the Mount Vernon Ladies' Association, 1858/20151
- Geo. Gregory Smart collection of Washington and Mount Vernon ephemera, 1793/20171
- George Washington Memorial Parkway History Collection, 1900/20011
- Guest Books and Visitor Registers, 1850/20161
- Historic ephemera collection, 1796/19861
- Historic map collection, 1675/19711
- Historic newspapers collection, 1757/19571
- Historical Photograph Collection, 1850/20101
- John Augustine Washington III and Mount Vernon Ladies' Association (MVLA) collection, 1834/19571
- John Augustine Washington III and family papers, 1789/19941
- Land Records of the MVLA, 1858/20061
- Maps of Mount Vernon and the surrounding areas, 1857/19921
- Measured Drawings and Blueprints of Mount Vernon, 1870/20161
- Morley Jeffers Williams Collection, 1602/19671