531. Free Library of Philadelphia, Lewis E M 26:1 Title: Corpus Juris Civilis Place: Bologna Date: 1250-1299
536. Free Library of Philadelphia, Lewis E M 26:8-9 Title: Antiphonary Place: Bologna Date: 1350-1399
539. Free Library of Philadelphia, Lewis E M 26:12 Title: Historiated initial Place: Bologna Date: 1300-1325