1. University of California, Berkeley, BANC MS UCB 211 DS ID: DS12612 Title: Document Place: Bologna and Italy Date: 1530 November 23.
2. University of Pennsylvania, Ms. Codex 720 DS ID: DS1622 Title: Lectura super capitali Firmiter credimus Author: Konrad III. von Soltau Place: Bologna and Italy Date: 1388.