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