1. University of Pennsylvania, Ms. Codex 1360 DS ID: DS1070 Title: Ledger Place: Italy Date: 1513-1514.
2. University of Pennsylvania, Ms. Codex 1420 DS ID: DS1344 Title: Ledger Author: Bartolomeo di Stefano Place: Italy Date: 1514-1522.
3. University of Pennsylvania, Ms. Codex 1507 DS ID: DS1382 Title: Ledger Place: Florence Date: 1538-1539.