124. Free Library of Philadelphia, Lewis E M 42:27A-B Title: Choir book Place: Flanders Date: 1500-1515
125. Free Library of Philadelphia, Lewis E M 42:28a-d Title: Choir book Place: Germany Date: 1485-1499
129. Free Library of Philadelphia, Lewis E M 66:24-25 Title: Choir book Place: France Date: 1500-1599