- P. Burwell Rogers Papers, 1923/19782
- Pabst School of Music records, 1924/19832
- Pace Family Papers, 1947/20062
- Pamela Webb Architectural Collection, 1950/200913
- Panoramic Photographs Collection, 1890/2008, bulk 1890/19601
- Papers of Christine Meadows, Curator, 1960/199747
- Papers of Dr. August E. Kehr
ca.
1924-199413
- Papers of Dr. Sandra F.
McDonald-American Rhododendron Society
1977-199711
- Papers of James Lawrence Basil Williams
ca.
1895-199514
- Papers of John Casey
1939-199019
- Papers of Mary V. Thompson, Research Historian, 1980/201227
- Papers of Virginius Dabney
1902-19836
- Papers of Virginius Dabney
1983-19861
- Papers of the American Rhododendron
Society
ca. 1944-1948;
1965-19976
- Papers of the Mount Vernon Ladies' Association, 1858/2016222