2. University of Pennsylvania, Oversize Ms. Codex 1283 Title: Ledger Author: Carlo de' Medici Place: Italy Date: ca. 1540-1556.
7. University of Pennsylvania, Oversize Ms. Codex 1404 Title: Ledger Author: Girolamo di Domenico Vanni Place: Italy Date: 1565-1568.
10. University of Pennsylvania, Oversize Ms. Codex 1524 Title: Ledger Place: Florence Date: 1581-1583.