1. Free Library of Philadelphia, Lewis E M 66:1A-B DS ID: DS5583 Title: Missal Place: England Date: 1350-1399
2. Free Library of Philadelphia, Lewis T437 DS ID: DS6148 Title: Gradual and Missal Place: England Date: 1300-1500
3. Newberry Library, VAULT folio Greenlee MS 464 DS ID: DS18163 Title: Missal Author: Catholic Church Place: England Date: between 1075 and 1125