- Papers of Christine Meadows, Curator, 1960/1997313
- Papers of Mary V. Thompson, Research Historian, 1980/2012506
- Papers of the Mount Vernon Ladies' Association, 1858/20162,493
- Papers of the Superintendent and Resident Director, 1850/19962,507
- Paul Stevens map collection, 1541/177826
- Peter family papers, 1722/1932846
- Potomac Navigation Company records, 1785/178641
- Publications - History of Mount Vernon and George Washington, 1854/2012195
- Publications Committee Collection, 1951/1997134
- Publications and Printed Material of the Mount Vernon Ladies' Association, 1854/2016263