1. University of Pennsylvania, Ms. Codex 1247 Title: Record of sale Author: Niccolò D'Andrea Piccolomini Place: Siena Date: 1469-1476.
2. University of Pennsylvania, Oversize Ms. Codex 1260 Title: Processi contra il vescovo Author: Sacro Regio Consiglio Place: Naples Date: 1499-1500.
3. University of Pennsylvania, Ms. Coll. 742 Folder 15 Title: Assumption of guardianship Author: Nado de Tolomeo Date: 1349.
4. University of Pennsylvania, Ms. Coll. 742 Folder 16 Title: Giovanni Piccolomini guardianship agreement, Author: Giovanni Piccolomini Date: 1351.
5. University of Pennsylvania, Ms. Coll. 742 Folder 17 Title: Records Author: Carlo Blasii de Piccolomini Date: 1363.
6. University of Pennsylvania, Ms. Coll. 742 Folder 19 Title: Petition Author: Carlo Blasii de Piccolomini Date: 1368-1371.
7. University of Pennsylvania, Ms. Coll. 742 Folder 20 Title: Notarial documents Author: Siena Date: 1374.
9. University of Pennsylvania, Ms. Coll. 742 Folder 23 Title: Terms of payment Author: Tengoccio d'Enea de Piccolomini Date: 1387.
10. University of Pennsylvania, Ms. Coll. 742 Folder 24 Title: Claim Author: Fazio de Piccolomini Date: 1392.