21. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 19 Title: In Evangelium Iohannis tractatus Author: Catholic Church Date: [between 1150 and 1199].
22. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 15 Title: In Evangelium Iohannis tractatus Author: Catholic Church Date: ca. 1150-1175.
23. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 16 Title: In Evangelium Iohannis tractatus Author: Catholic Church Date: between 1275 and 1299.
24. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 8 Title: In Evangelium Iohannis tractatus Date: ca. 1125.
26. University of Pennsylvania, Ms. Coll. 591 Folder 10 Title: Breviary Author: Catholic Church Date: 1400s.
27. University of Pennsylvania, Ms. Coll. 591 Folder 13 Title: Missal Author: Catholic Church Date: 1400s or 1500s?
28. University of Pennsylvania, Ms. Coll. 591 Folder 14 Title: Antiphonary Author: Catholic Church Date: between 1300 and 1599.