21. Rochester Institute of Technology, PORTFOLIO BOX 1-8 DS ID: DS16487 Title: Gradual Place: England Date: ca. 1275
22. Rochester Institute of Technology, PORTFOLIO BOX 2-32 DS ID: DS16488 Title: Gradual Place: Northwest Italy Date: ca. 1450-1475
23. Rochester Institute of Technology, PORTFOLIO BOX 1-21 DS ID: DS16501 Title: Hymnal Place: France and Poissy Date: ca. 1525
24. Rochester Institute of Technology, 108299 DS ID: DS16504 Title: Choir book Place: Genoa and Italy Date: 1509