1. University of Pennsylvania, Oversize Ms. Codex 1059 DS ID: DS881 Title: Decretals of Gregory IX Author: Catholic Church Place: France Date: [between 1280 and 1299]
2. Newberry Library, VAULT oversize box Case MS Fragment 58 DS ID: DS18358 Title: Decretals of Gregory IX Author: Catholic Church Place: Italy Date: between 1300 and 1399