1. University of Pennsylvania, Ms. Codex 1249 DS ID: DS984 Title: Contract Author: Pius III Place: Siena Date: between 1492 and 1502. 1502?
2. University of Pennsylvania, Ms. Coll. 742 Folder 112 DS ID: DS1814 Title: Papal agreement Author: Pius III Date: 1485.
3. University of Pennsylvania, Ms. Coll. 742 Folder 114 DS ID: DS1816 Title: Papal judgement Author: Pius III Date: 1499.