1. University of Pennsylvania, Ms. Coll. 742 Folder 72 DS ID: DS1894 Title: Nomination Author: Roman Catholic Archdiocese of Siena Date: 1511.
2. University of Pennsylvania, Ms. Coll. 742 Folder 84 DS ID: DS1907 Title: Nomination Author: Alessandro Piccolomini Date: 1546.
3. University of Pennsylvania, Ms. Coll. 742 Folder 21 DS ID: DS1839 Title: Nomination Author: Siena Date: 1377.