1. University of California, Berkeley, BANC MS UCB 104 DS ID: DS12673 Title: De regimine principum Author: Giles of Rome Place: England Date: 13--
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