T
- Taylor, Frank H., Collection (UPX 2 T251)
- Terry, Luther L., Papers (UPT 50 T329)
- The Penn Family, The University and the Institutions of Philadelphia Exhibition Collection (UPG 380)
- Thomas, Dorothy Swaine, Papers (UPT 50 T455)
- Thompson, William Joseph, Papers (UPT 50 T468)
- Todres, Susan Molofsky University of Pennsylvania Historical Collection (UPT 50 T639)
- Tonkin, Humphrey, Papers (UPT 50 T614)
- Towne Scientific School Records (UPD 2.1)
- Towne Scientific School. Civil Engineering (UPD 2.2)
- Townsend Family Papers (UPT 50 T752)
- Trustees Council of Penn Women Records (UPT 101.22)
- Trustees of the University. Committee Minutes (UPA 1.5)
- Trustees of the University. Committee Reports and Correspondence (UPA 1.51)
- Trustees of the University. Committees of Reorganization (UPA 1.85)
- Trustees of the University. Minutes (UPA 1.1)
- Trustees of the University. Office of the Chairman Records (UPA 1.91)
- Trustees of the University. Reports (UPA 1.11)
- Trustees of the University. Supporting Papers (UPA 1.2)
- Trustees of the University. Trustees and University Officers Lists (UPA 1.9)
- Tucker, Michelle E., Papers (UPT 50 T893)
- Tyson, James, Family Papers (UPT 50 T994)