1. Free Library of Philadelphia, Lewis E 50 DS ID: DS4414 Title: Breviary Place: Ghent and Belgium Date: 1485-1499
2. Free Library of Philadelphia, Lewis E M 5:27 DS ID: DS4711 Title: Breviary Place: Flanders Date: 1485-1499
3. Harvard University, MS Lat 267 DS ID: DS10836 Title: Breviary Author: Catholic Church Date: ca. 1381