1. Ohio State University, Spec.Rare.MS.MR.Frag.263 DS ID: DS11682 Title: Decretals Author: Gregory IX Place: Bologna and Italy Date: ca. 1300
2. Ohio State University, Spec.Rare.MS.MR.Frag.452 DS ID: DS11869 Title: Decretals Author: Gregory IX and Bernard of Botone Place: Italy and Bologna Date: ca. 1300