22. Free Library of Philadelphia, Lewis E 244 Title: Infortiatum Author: Justinian I and Accursius Place: Bologna Date: 1270-1280
24. Free Library of Philadelphia, Lewis E M 26:1 Title: Corpus iuris civilis Place: Bologna Date: 1250-1299
26. Free Library of Philadelphia, Lewis E M 26:4-5 Title: Legal treatise Place: Bologna Date: 1300-1325
27. Free Library of Philadelphia, Lewis E M 26:7 Title: Legal treatise Place: Bologna Date: 1300-1325