1. Free Library of Philadelphia, Lewis E M 5:10 DS ID: DS4693 Title: Missal Place: Flanders Date: 1400-1499
2. Free Library of Philadelphia, Lewis E M 42:20 DS ID: DS5305 Title: Missal Place: Flanders Date: 1400-1499
3. Free Library of Philadelphia, Lewis E M 42:20A DS ID: DS5306 Title: Missal Place: Flanders Date: 1475-1499