1. University of Pennsylvania, Ms. Coll. 742 Folder 19 Title: Petition Author: Carlo Blasii de Piccolomini Date: 1368-1371.
2. University of Pennsylvania, Ms. Coll. 742 Folder 27 Title: Petition Author: Batista Piccolomini Date: 1411.
3. University of Pennsylvania, Ms. Coll. 742 Folder 29 Title: Petition Author: Giovanni Piccolomini Date: 1421.
4. University of Pennsylvania, Ms. Coll. 742 Folder 33 Title: Petition Author: Simone di Nicolo Petroni Date: 1439.
5. University of Pennsylvania, Ms. Coll. 742 Folder 54 Title: Petition Author: Santa Maria in Portico a Fontegiusta Date: 1488.