- Audio Visual Collection, 1928/20153
- Early Records of the Mount Vernon Ladies' Association, 1853/1951, bulk 1853/18753
- Financial Records of the Mount Vernon Ladies' Association, 1858/201533
- Geo. Gregory Smart collection of Washington and Mount Vernon ephemera, 1793/201724
- George Washington Memorial Parkway History Collection, 1900/20014
- Guest Books and Visitor Registers, 1850/20162
- Harrison H. Dodge Papers, 1816/19363
- Historic ephemera collection, 1796/19869
- Historic manuscript collection, 1601/19333
- Historic map collection, 1675/19711
- Historic newspapers collection, 1757/19572
- Historical Photograph Collection, 1850/201085
- John Augustine Washington III and Mount Vernon Ladies' Association (MVLA) collection, 1834/19573
- John Augustine Washington III and family papers, 1789/19946
- Land Records of the MVLA, 1858/20065