1. University of Pennsylvania, Ms. Codex 1539 DS ID: DS1403 Title: Ledger Place: Italy Date: 1563-1569.
2. University of California, Berkeley, BANC MS UCB 254 DS ID: DS12408 Title: Apologia di Lorenzo di Pier Francesco de Medici Author: Lorenzino de' Medici Place: Italy Date: 1600s.