1. University of Pennsylvania, Ms. Codex 141 DS ID: DS1343 Title: Prayer book Author: Catholic Church Place: Germany Date: 1450?
2. University of Pennsylvania, Ms. Coll. 591 Folder 37 DS ID: DS1789 Title: Breviary Author: Catholic Church Date: 1400s.
3. Harvard University, MS Lat 457 DS ID: DS10400 Title: Missal Author: Catholic Church Date: circa 1410.