21. Free Library of Philadelphia, Lewis E M 45:4 DS ID: DS5385 Title: Choir book Place: Bologna and Italy Date: 1300-1399
22. Free Library of Philadelphia, Lewis E M 46:13 DS ID: DS5411 Title: Missal Place: Rome and Italy Date: 1500-1525
23. Free Library of Philadelphia, Lewis E M 50:1 DS ID: DS5469 Title: Choir book Place: Italy Date: 1000-1500