1. Free Library of Philadelphia, Lewis E 174 Bookmark DS ID: DS4520 Title: Prayer book Place: Flanders Date: 1400-1499
2. Free Library of Philadelphia, Lewis E 217 Bookmark DS ID: DS4561 Title: Prayer book Place: Brabant and Netherlands
3. Bryn Mawr College, MS 56 Bookmark DS ID: DS16556 Title: Prayer book Place: Netherlands Date: 1440-1460