1. University of Pennsylvania, Ms. Coll. 742 Folder 82 DS ID: DS1905 Title: Legal document Author: Pietro Lamberti Date: 1535.
2. University of Pennsylvania, Ms. Coll. 764 Item 3 DS ID: DS2034 Title: Privileges Author: Innocent IV Date: 1247.
3. Newberry Library, VAULT folio Case MS 5321 DS ID: DS18247 Title: Cartulary Place: Ferrara and Italy Date: 1530-1586.