- Paper Cuts zine and small press collection1
- Papers of the Mount Vernon Ladies' Association, 1858/201640
- Patrick Hinely Collection, 1973/20151
- Patrick Oliphant artwork and papers, 1947/201626
- Paul Atkins, Journalism Professor, Papers, 1860/20191
- Paul Ceruzzi papers6
- Paul Hendrickson papers, 202451
- Paxton Family collection, 1847/2023, bulk 1900/19804
- Peacock-Harper Culinary History Friends Records, 1999/20192
- Pearl S. Buck, Author, Papers, 1921/2018, bulk 1933/19667
- Peer Advisor Program records, 1989/20193
- Perry Mann Newspaper Opinion Articles, 1980/20181
- Person Family papers, 1872/20021
- Phi Mu Alpha Sinfonia (Nu Sigma Chapter) records, 2002/20174
- Pinkney Near Personal Papers and Henrietta Near Artist Archives (SC-42), 1873/20206