1. Free Library of Philadelphia, Lewis E M 25:29 DS ID: DS5109 Title: Antiphonary Place: Umbria and Italy Date: 1285-1299
2. Free Library of Philadelphia, Lewis E M 29:9A DS ID: DS5191 Title: Antiphonary Place: Umbria and Italy Date: 1300-1325
3. Free Library of Philadelphia, Lewis E M 29:17 DS ID: DS5198 Title: Antiphonary Place: Umbria and Italy Date: 1250-1299