2. University of Pennsylvania, Oversize Ms. Codex 1322 Title: Ledger Author: Luigi de' Medici Place: Italy Date: 1495-1544.
4. University of Pennsylvania, Ms. Codex 1508 Title: Ledger Author: Alamanno de' Medici Place: Florence Date: 1475-1483.
5. University of Pennsylvania, Oversize Ms. Codex 1516 Title: Ledger Author: Bernardo Antonio de' Medici Place: Florence Date: 1456-1457.