1. Free Library of Philadelphia, Lewis E 1 Title: De amore Dei Author: Albertanus of Brescia and Leo Archpriest Place: Bologna Date: 1275-1299
2. Free Library of Philadelphia, Lewis E 244 Title: Infortiatum Author: Justinian I and Accursius Place: Bologna Date: 1270-1280
3. Free Library of Philadelphia, Lewis E M 26:1 Title: Corpus iuris civilis Place: Bologna Date: 1250-1299
6. Free Library of Philadelphia, Lewis E M 48:12-13 Title: Corpus iuris civilis Place: Bologna Date: 1290-1310