1. University of Pennsylvania, Ms. Coll. 591 Folder 23 DS ID: DS1776 Title: Book of hours Author: Catholic Church Date: 1400s.
2. University of Pennsylvania, Ms. Coll. 591 Folder 24 DS ID: DS1777 Title: Book of hours Author: Catholic Church Date: 1400s.
3. University of Pennsylvania, Ms. Coll. 591 Folder 27 DS ID: DS1780 Title: Book of hours Author: Catholic Church Date: 1400s.