- P. Burwell Rogers Papers, 1923/197813
- Pabst School of Music records, 1924/19832
- Pace Family Papers, 1947/20064
- Pamela Webb Architectural Collection,, 1950/20093
- Panoramic Photographs Collection, 1890/2008, bulk 1890/19601
- Papers of Christine Meadows, Curator, 1960/199728
- Papers of James Lawrence Basil Williams
ca.
1895-199516
- Papers of John Casey
1939-19903
- Papers of Mark Twain
1862-1946, bulk 1872-19101
- Papers of Mary V. Thompson, Research Historian, 1980/20121
- Papers of Robert Frost
1873-19816
- Papers of Virginius Dabney
1902-198312
- Papers of Virginius Dabney
1926-19761
- Papers of the Mount Vernon Ladies' Association, 1858/2016143
- Papers of the Rives, Sears and Rhinelander Families,
ca.
1829-19231