1. University of Pennsylvania, Ms. Coll. 742 Folder 110 Title: License Author: Biccherna Date: 1466-1488.
2. University of Pennsylvania, Ms. Coll. 742 Folder 23 Title: Terms of payment Author: Tengoccio d'Enea de Piccolomini Date: 1387.
3. University of Pennsylvania, Ms. Coll. 742 Folder 8 Title: Family documents Author: Piccolomini Date: 1278.