1. Indiana University Bloomington, Ricketts K: 4 DS ID: DS549 Title: Gradual Place: Italy Date: s. XIV(3/4); 1350-1375
2. Indiana University Bloomington, Ricketts L: 3 DS ID: DS552 Title: Gradual Place: Italy and Lombardy Date: 1395?
3. Indiana University Bloomington, Ricketts 107 DS ID: DS583 Title: Choir book and Gradual Place: France Date: s. XV/XVI; 1490-1510