1. University of Pennsylvania, Oversize Ms. Codex 1306 DS ID: DS1037 Title: Ledger Author: Antonio Ciarfalli Place: Italy Date: 1597-1606.
2. University of Pennsylvania, Ms. Codex 1355 DS ID: DS1068 Title: Ledger Place: Italy Date: 1594-1637.
3. University of Pennsylvania, Ms. Codex 1393 DS ID: DS1093 Title: Ledger Author: Lorenzo Gondi Place: Italy Date: 1542-1618.