1. Free Library of Philadelphia, Lewis E M 27:12 DS ID: DS5143 Title: Gradual Place: Veneto and Italy Date: 1450-1499
2. Free Library of Philadelphia, Lewis E M 27:16 DS ID: DS5147 Title: Gradual Place: Veneto and Italy Date: 1550-1599
3. Free Library of Philadelphia, Lewis E M 47:21-22 DS ID: DS5435 Title: Antiphonary Place: Veneto and Italy Date: 1300-1350