21. University of Pennsylvania, Ms. Coll. 591 Folder 6 DS ID: DS1797 Title: Antiphonary Author: Catholic Church Date: 1200s.
22. Williams College, Gen Mss Antiphonal Leaf from a Sanctorale DS ID: DS25556 Title: Antiphonary Place: France Date: ca. 1300-1350
23. Williams College, Gen Mss Pirages Neumes DS ID: DS25558 Title: Antiphonary Place: Austria Date: ca. 1050-1150