1. University of Pennsylvania, Ms. Coll. 742 Folder 4 Title: Notarial documents Author: Siena Date: 1248.
2. University of Pennsylvania, Ms. Coll. 742 Folder 5 Title: Legal documents Author: Ildibrandinus Date: 1251.
3. University of Pennsylvania, Ms. Coll. 742 Folder 6 Title: Notarial documents Author: Piccolomo Oltremonti Date: 1254.
4. University of Pennsylvania, Ms. Coll. 742 Folder 8 Title: Family documents Author: Piccolomini Date: 1278.