21. University of Pennsylvania, Halper 196 DS ID: DS26082 Title: Prayer book Date: 14th century-16th century?
22. University of Pennsylvania, Halper 184 DS ID: DS26092 Title: Prayer book Date: 12th century-14th century?
24. University of Pennsylvania, Halper 176 DS ID: DS26161 Title: Prayer book Date: 12th century-13th century?