1. Newberry Library, VAULT Case MS 54.1 DS ID: DS17899 Title: Music Place: Pavia and Italy Date: 1391.
2. Newberry Library, VAULT Case MS 152 DS ID: DS18202 Title: Theological texts Place: Tuscany and Italy Date: 1471 Aug. 9.
3. University of Pennsylvania, Ms. Codex 17 DS ID: DS1445 Title: Liber de spiritu et anima Place: Italy Date: 1463.