1. University of Pennsylvania, Ms. Codex 384 DS ID: DS1523 Title: Report Author: Vincenzo Fedeli Place: Italy Date: 1561.
2. Newberry Library, VAULT folio Case MS 5170 DS ID: DS17716 Title: Letter Author: Francesco I de' Medici Place: Italy and Ferrara Date: 1559 [that is, 1560] Feb. 22.