1. Rochester Institute of Technology, PORTFOLIO BOX 2-27 DS ID: DS16471 Title: Gradual Place: Italy Date: ca. 1500
2. Rochester Institute of Technology, PORTFOLIO BOX 2-32 DS ID: DS16488 Title: Gradual Place: Northwest Italy Date: ca. 1450-1475
3. Newberry Library, VAULT oversize box Case MS Fragment 57 DS ID: DS18334 Title: Gradual Author: Catholic Church Place: Switzerland Date: appoximately 1400