1. University of Pennsylvania, Oversize Ms. Codex 1237 Title: Notarial documents Place: Piacenza Date: 1457-1546.
2. University of Pennsylvania, Oversize Ms. Codex 1528 Title: Scartafaccio Place: Piacenza Date: 1599.
4. Boston Public Library, MS pf Med.120 Title: Antiphonal : in Latin]. Author: Catholic Church Place: Piacenza Date: 1475.
5. Boston Public Library, MS pf Med.97 Title: Ferial psalter : in Latin. Author: Catholic Church Place: Piacenza Date: ca. 1495