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. Cornell University, Archives 6532.01.10 DS ID: DS12179 Title: Hymnal Place: undetermined Date: between circa 1300 and 1499.