1. University of Pennsylvania, LJS 502 Title: De mysteriis Author: Ambrose Date: between 1075 and 1125?
2. University of Pennsylvania, Ms. Coll. 591 Folder 36 Title: Pontifical Author: Catholic Church Date: between 1075 and 1099.
3. University of Pennsylvania, Ms. Roll 2062 Title: Liturgy of St. Basil Author: Eastern Orthodox Church Place: Berat Date: [between 1040 and 1099]
10. Free Library of Philadelphia, Lewis E M 12:15 Title: Decorated initial Place: undetermined Date: 1000-1500