1. Free Library of Philadelphia, Lewis E M 25:7A DS ID: DS5083 Title: Hymnal Place: Florence and Italy Date: 1325-1350
2. Free Library of Philadelphia, Lewis E M 25:8 DS ID: DS5084 Title: Hymnal Place: Florence and Italy Date: 1325-1350
3. Free Library of Philadelphia, Lewis E M 46:12 DS ID: DS5410 Title: Hymnal Place: Florence and Italy Date: 1440-1460