1. University of Pennsylvania, Ms. Codex 1380 DS ID: DS1084 Title: Ledger Place: Italy Date: 1543-1546.
2. University of Pennsylvania, Ms. Codex 1383 DS ID: DS1087 Title: Ledger Place: Italy Date: 1556-1566.
3. University of Pennsylvania, Ms. Codex 1384 DS ID: DS1088 Title: Ledger Author: Antonio di. Montalvo Place: Italy Date: 1566-1572.