P
- Pahlavi University Projects Records (UPB 107)
- Peace Corps Training Program Records (UPB 108)
- Pendergrass, Eugene Percival, Papers (UPT 50 P397)
- Penn Club of New York Records (UPT 500)
- Penn Current Photograph Collection (UPX 12 P412)
- Penn Medicine Alumni Photograph Album (UPX 5 PMA68)
- Pennguinettes Records (UPS 81.9PG)
- Penniman Library Records (UPB 55.4)
- Penniman, Josiah Harmar, Papers (UPT 50 P414)
- Pennsylvania Association of Dental Surgeons Records (UPC 510)
- Pennsylvania College of Dental Surgery Records (UPC 508)
- Pennypacker, Samuel W., Collection (UPT 50 P416)
- Pepper, George Wharton, Papers (UPT 50 P423)
- Pfahler, George E., Reprint Collection (UPT 50 P523)
- Phi Beta Kappa. Delta of Pennsylvania Records (UPS 43.4)
- Phi Kappa Sigma Fraternity. Alpha Chapter. Alumni Chapter Records (UPS 41 PKS)
- Philadelphia Big 5 Records (UPS 86.1PB5)
- Philadelphia Dental College Collection (UPC 509)
- Philadelphia General Hospital Minutes, Correspondence, and Records (UPC 56.2)
- Philadelphia General Hospital. Departmental Records (UPC 56.9)
- Philadelphia General Hospital. Financial Records (UPC 56.5)
- Philadelphia General Hospital. General Files and Student Evaluations (UPC 56.45)
- Philadelphia General Hospital. Miscellaneous Records (UPC 56.35)
- Philadelphia General Hospital. Office of Medical Education Records (UPC 56.4)
- Philler, William Ruckman, Papers (UPT 50 P556)
- Pi Lambda Theta. Eta Chapter. Records (UPS 245)
- Polyclinic Hospital Records (UPC 50.2)
- Presbyterian Medical Center Ladies Aid Society Records (UPC 501)
- Presbyterian Medical Center Records (UPC 500)
- Program for the Eighties Records (UPF 5.32)
- Programs and Invitations Collection (UPG 9)
- Psi Upsilon Records (UPS 41 PU)