1. University of Pennsylvania, Ms. Coll. 742 Folder 10 DS ID: DS1811 Title: Notarial documents Author: Jacopo Piccolomini-Ammannati Date: 1307.
2. University of Pennsylvania, Ms. Coll. 742 Folder 43 DS ID: DS1862 Title: Agreement Author: Jacopo Piccolomini-Ammannati Date: 1470.