481. University of Pennsylvania, Ms. Coll. 591 Folder 20 Title: In libros De caelo et mundo Aristotelis Author: Thomas Aquinas Date: between 1275 and 1299.
482. University of Pennsylvania, Ms. Coll. 591 Folder 21 Title: Liber aggregatus in medicinis simplicibus Author: Serapion the Younger Date: ca. 1300.
484. University of Pennsylvania, Ms. Coll. 591 Folder 23 Title: Book of hours Author: Catholic Church Date: 1400s.
485. University of Pennsylvania, Ms. Coll. 591 Folder 24 Title: Book of hours Author: Catholic Church Date: 1400s.
487. University of Pennsylvania, Ms. Coll. 591 Folder 27 Title: Book of hours Author: Catholic Church Date: 1400s.
489. University of Pennsylvania, Ms. Coll. 591 Folder 29 Title: Missal Author: Catholic Church Date: ca. 1100.
490. University of Pennsylvania, Ms. Coll. 591 Folder 2 Title: Seven sleepers of Ephesus Date: 1100s?