1126. Free Library of Philadelphia, Lewis E M 26:1 Title: Corpus iuris civilis Place: Bologna Date: 1250-1299
1129. Free Library of Philadelphia, Lewis E M 26:4-5 Title: Legal treatise Place: Bologna Date: 1300-1325
1130. Free Library of Philadelphia, Lewis E M 26:7 Title: Legal treatise Place: Bologna Date: 1300-1325