513. Free Library of Philadelphia, Lewis E M 25:20 Title: Choir book Place: Massa Marittima Date: 1300-1325
516. Free Library of Philadelphia, Lewis E M 25:22A Title: Antiphonary Place: Florence Date: 1325-1350
520. Free Library of Philadelphia, Lewis E M 25:25 Title: Historiated initial Place: Siena Date: 1425-1475