1. Free Library of Philadelphia, Lewis E M 29:11A DS ID: DS5194 Title: Matricola Place: Perugia and Italy
2. Free Library of Philadelphia, Lewis E M 72:22 DS ID: DS5685 Title: Antiphonary Place: Perugia and Italy Date: 1400-1499
3. Free Library of Philadelphia, Lewis E M 72:23-24 DS ID: DS5686 Title: Hymnal Place: Perugia and Italy Date: 1400-1499