401. University of Pennsylvania, Ms. Codex 1384 Title: Ledger Author: Antonio di. Montalvo Place: Italy Date: 1566-1572.
405. University of Pennsylvania, Oversize Ms. Codex 1392 Title: Ledger Author: Simone Gondi Place: Italy Date: 1533-1535.
406. University of Pennsylvania, Ms. Codex 1395 Title: Ledger Author: Bernardo Allegri Place: Italy Date: 1558-1560.