201. Free Library of Philadelphia, Lewis E M 74:12-13 Title: Antiphonary Place: Florence Date: 1400-1425
202. Free Library of Philadelphia, Lewis E M 74:14 Title: Antiphonary Place: Florence Date: 1400-1499
203. Free Library of Philadelphia, Lewis E M 74:16 Title: Antiphonary Place: Florence Date: 1490-1510