- Early Records of the Mount Vernon Ladies' Association, 1853/1951, bulk 1853/18759
- Esther Maria Lewis Chapin collection of Washington family documents, 1743/18521
- Financial Records of the Mount Vernon Ladies' Association, 1858/20159
- Geo. Gregory Smart collection of Washington and Mount Vernon ephemera, 1793/20176
- Guest Books and Visitor Registers, 1850/20163
- Harrison H. Dodge Papers, 1816/19361
- Historic manuscript collection, 1601/19335
- Historic newspapers collection, 1757/19575
- Historical Photograph Collection, 1850/2010206
- Maps of Mount Vernon and the surrounding areas, 1857/19921
- Papers of the Mount Vernon Ladies' Association, 1858/20165
- Peter family papers, 1722/19325
- Publications - History of Mount Vernon and George Washington, 1854/20124
- Publications and Printed Material of the Mount Vernon Ladies' Association, 1854/20161
- Restoration Files for the Historic Structures Report, 1750/20051