- Measured Drawings and Blueprints of Mount Vernon, 1870/20165
- Morley Jeffers Williams Collection, 1602/19673
- Mount Vernon Black and White Film Collection, 1933/200552
- Mount Vernon Citizens' Association Collection, 1930/19822
- Mount Vernon and MVLA Ephemera, 1858/20222
- Papers of Christine Meadows, Curator, 1960/19979
- Papers of Mary V. Thompson, Research Historian, 1980/20121
- Papers of the Mount Vernon Ladies' Association, 1858/2016133
- Papers of the Superintendent and Resident Director, 1850/1996241
- Peter family papers, 1722/19321
- Publications - History of Mount Vernon and George Washington, 1854/20125
- Publications and Printed Material of the Mount Vernon Ladies' Association, 1854/201614
- Restoration Files for the Historic Structures Report, 1750/2005190
- Robert Waldsmith Collection of stereographs and cabinet cards, 1856/19812
- Superintendent's Letter Books, Diaries, and Monthly Reports - collection of bound volumes, 1885/19671