3. University of Pennsylvania, Ms. Coll. 742 Folder 26 Title: Will Author: Guido di Biagio di Carlo Piccolomini Date: 1410.
4. University of Pennsylvania, Ms. Coll. 742 Folder 36 Title: Notarial documents Author: Roman Catholic Archdiocese of Siena Date: 1456.
5. University of Pennsylvania, Ms. Coll. 742 Folder 4 Title: Notarial documents Author: Siena Date: 1248.