1. University of Pennsylvania, Ms. Coll. 742 Folder 3 DS ID: DS1858 Title: Legal documents Author: Biccherna Date: 1244.
2. University of Pennsylvania, Ms. Coll. 742 Folder 5 DS ID: DS1880 Title: Legal documents Author: Ildibrandinus Date: 1251.
3. University of California, Berkeley, BANC MS UCB 119 DS ID: DS12685 Title: Legal documents Date: 1259-1600.