1. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 18 Title: In Evangelium Iohannis tractatus Author: Catholic Church Date: [between 1450 and 1499].
2. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 17 Title: In Evangelium Iohannis tractatus Author: Catholic Church Date: 1400s.
3. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 19 Title: In Evangelium Iohannis tractatus Author: Catholic Church Date: [between 1150 and 1199].
4. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 15 Title: In Evangelium Iohannis tractatus Author: Catholic Church Date: ca. 1150-1175.
5. University of Pennsylvania, Ms. Coll. 591 Folder 10 Title: Breviary Author: Catholic Church Date: 1400s.
6. University of Pennsylvania, Ms. Coll. 591 Folder 13 Title: Missal Author: Catholic Church Date: 1400s or 1500s?
7. University of Pennsylvania, Ms. Coll. 591 Folder 14 Title: Antiphonary Author: Catholic Church Date: between 1300 and 1599.
8. University of Pennsylvania, Ms. Coll. 591 Folder 29 Title: Missal Author: Catholic Church Date: ca. 1100.
9. University of Pennsylvania, Ms. Coll. 591 Folder 30 Title: Breviary Author: Catholic Church Date: ca. 1150.
10. University of Pennsylvania, Ms. Coll. 591 Folder 37 Title: Breviary fragments : use of Sarum, Author: Catholic Church Date: 1400s.