- Restoration Files for the Historic Structures Report, 1750/2005160
- Papers of the Superintendent and Resident Director, 1850/199698
- Papers of the Mount Vernon Ladies' Association, 1858/201686
- Historical Photograph Collection, 1850/201075
- Financial Records of the Mount Vernon Ladies' Association, 1858/201534
- Geo. Gregory Smart collection of Washington and Mount Vernon ephemera, 1793/201726
- Publications and Printed Material of the Mount Vernon Ladies' Association, 1854/20169
- Historic ephemera collection, 1796/19867
- Morley Jeffers Williams Collection, 1602/19677
- John Augustine Washington III and family papers, 1789/19946
- Peter family papers, 1722/19326
- Publications - History of Mount Vernon and George Washington, 1854/20126
- Papers of Christine Meadows, Curator, 1960/19975
- Historic manuscript collection, 1601/19334
- Historic newspapers collection, 1757/19574