1. Free Library of Philadelphia, Lewis E M 76:41 DS ID: DS5750 Title: Missal Place: Italy Date: 1400-1499
2. Free Library of Philadelphia, Lewis T70 DS ID: DS5858 Title: Gradual and Missal Place: undetermined Date: 1000-1500
3. Free Library of Philadelphia, Lewis T437 DS ID: DS6148 Title: Gradual and Missal Place: England Date: 1300-1500