Collection
- Pace Family Papers2
- Pamela Webb Architectural Collection,20
- Panoramic Photographs Collection1
- Paola Zellner Bassett Architectural Collection,1
- Papers of Christine Meadows, Curator67
- Papers of Dr. August E. Kehr ca. 1924-199428
- Papers of Dr. Sandra F. McDonald-American Rhododendron Society 1977-199712
- Papers of James Lawrence Basil Williams ca. 1895-199517
- Papers of John Casey 1939-199016
- Papers of Mary V. Thompson, Research Historian37
- Papers of Robert Frost 1873-19811
- Papers of the American Rhododendron Society ca. 1944-1948; 1965-19979
- Papers of the Mount Vernon Ladies' Association170
- Papers of the Superintendent and Resident Director92
- Pare Lorentz, Documentary Filmmaker, Clippings and Other Material Collected by James Guiher, Jr.1