- Measured Drawings and Blueprints of Mount Vernon, 1870/201644
- Morley Jeffers Williams Collection, 1602/19678
- Mount Vernon Black and White Film Collection, 1933/2005262
- Mount Vernon Citizens' Association Collection, 1930/19822
- Mount Vernon and MVLA Ephemera, 1858/20222
- Papers of Christine Meadows, Curator, 1960/19977
- Papers of the Mount Vernon Ladies' Association, 1858/2016137
- Papers of the Superintendent and Resident Director, 1850/1996202
- Peter family papers, 1722/19322
- 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, 1750/2005185
- Robert Waldsmith Collection of stereographs and cabinet cards, 1856/19812
- Superintendent's Letter Books, Diaries, and Monthly Reports - collection of bound volumes, 1885/19671
- Taylor collection of Lewis family papers, 1700/19501