1. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 15 DS ID: DS836 Title: Missal Author: Catholic Church Date: ca. 1150-1175.
2. University of Pennsylvania, Ms. Coll. 591 Folder 29 DS ID: DS1782 Title: Missal Author: Catholic Church Date: ca. 1100.
3. University of Pennsylvania, Ms. Coll. 591 Folder 30 DS ID: DS1784 Title: Breviary Author: Catholic Church Date: ca. 1150.