1. University of Pennsylvania, Ms. Coll. 742 Folder 15 Title: Assumption of guardianship Author: Nado de Tolomeo Date: 1349.
2. University of Pennsylvania, Ms. Coll. 742 Folder 16 Title: Giovanni Piccolomini guardianship agreement, Author: Giovanni Piccolomini Date: 1351.
3. University of Pennsylvania, Ms. Coll. 742 Folder 20 Title: Notarial documents Author: Siena Date: 1374.
6. University of Pennsylvania, Ms. Coll. 742 Folder 28 Title: Family documents Author: Malavolti family Date: 1413.