1. Harvard University, MS Typ 195 DS ID: DS11091 Title: De regimine principum Author: Giles of Rome Date: ca. 1455
2. Newberry Library, VAULT Case MS 33.7 DS ID: DS17998 Title: De regimine principum Author: Hoccleve, Thomas, 1370?-1450? Place: England Date: between 1425 and 1475