- Bushrod Washington family papers, 1662/18353
- Chapin collection of Washington & Custis family documents, 1758/18291
- Esther Maria Lewis Chapin collection of Washington family documents, 1743/18522
- Geo. Gregory Smart collection of Washington and Mount Vernon ephemera, 1793/20172
- Historic ephemera collection, 1796/19862
- Historic newspapers collection, 1757/195712
- Historical Photograph Collection, 1850/20101
- John Augustine Washington III and family papers, 1789/19943
- Morley Jeffers Williams Collection, 1602/19677
- Peter family papers, 1722/193211
- Restoration Files for the Historic Structures Report, 1750/20052