2421. Free Library of Philadelphia, Lewis E M 27:14 Title: Chronici canones Place: Verona Date: 1450-1475
2422. Free Library of Philadelphia, Lewis E M 27:15 Title: Antiphonary Place: Ferrara Date: 1540-1560
2426. Free Library of Philadelphia, Lewis E M 27:19 Title: Choir book Place: Lombardy Date: 1425-1450
2428. Free Library of Philadelphia, Lewis E M 27:21 Title: Antiphonary Place: Lombardy Date: 1440-1460
2429. Free Library of Philadelphia, Lewis E M 27:22-23 Title: Antiphonary Place: Milan Date: 1385-1399