1. University of Pennsylvania, Ms. Coll. 742 Folder 4 DS ID: DS1869 Title: Notarial document Author: Siena Date: 1248.
2. University of Pennsylvania, Ms. Coll. 742 Folder 65 DS ID: DS1886 Title: Notarial document Author: Ascanio Sforza Date: 1503.
3. University of Pennsylvania, Ms. Coll. 742 Folder 6 DS ID: DS1891 Title: Notarial document Author: Piccolomo Oltremonti Date: 1254.