65. University of Pennsylvania, Ms. Codex 1365 Title: Ledger Author: Francesca de' Medici Place: Italy Date: 1534-1562.
69. University of Pennsylvania, Oversize Ms. Codex 1404 Title: Ledger Author: Girolamo di Domenico Vanni Place: Italy Date: 1565-1568.
70. University of Pennsylvania, Ms. Codex 1420 Title: Ledger Author: Bartolomeo di Stefano Place: Italy Date: 1514-1522.