491. University of Pennsylvania, Ms. Coll. 591 Folder 30 Title: Breviary Author: Catholic Church Date: ca. 1150.
493. University of Pennsylvania, Ms. Coll. 591 Folder 36 Title: Pontifical Author: Catholic Church Date: between 1075 and 1099.
494. University of Pennsylvania, Ms. Coll. 591 Folder 37 Title: Breviary fragments : use of Sarum, Author: Catholic Church Date: 1400s.
495. University of Pennsylvania, Ms. Coll. 591 Folder 38 Title: Dictionary Date: between 1275 and 1299?
496. University of Pennsylvania, Ms. Coll. 591 Folder 3 Title: Breviary Author: Catholic Church Date: 1100s.
497. University of Pennsylvania, Ms. Coll. 591 Folder 44 Title: Canon of Medicine Author: Avicenna Date: 1300s-1400s?
499. University of Pennsylvania, Ms. Coll. 591 Folder 5 Title: Aurora Author: Petrus Riga Date: 1200s.
500. University of Pennsylvania, Ms. Coll. 591 Folder 6 Title: Antiphonary Author: Catholic Church Date: 1200s.