1. Free Library of Philadelphia, Lewis E 130 DS ID: DS4484 Title: Book of hours and Life of Christ Place: Leyden and Netherlands Date: 1475-1500 and 1515-1525
2. Free Library of Philadelphia, Lewis E M 67:13-16 DS ID: DS5618 Title: Antiphonary Place: Cuyk and Netherlands Date: 1500-1525