1. Free Library of Philadelphia, Lewis E M 23:18 Title: Decretals Place: undetermined Date: 1000-1500
3. Free Library of Philadelphia, Lewis T148 Title: Decretales Gregorii IX Place: undetermined Date: 1000-1500
5. Free Library of Philadelphia, Lewis T151 Title: Commentary on canon law Place: undetermined Date: 1000-1500
6. Free Library of Philadelphia, Lewis T152 Title: Commentary on canon law Place: undetermined Date: 1000-1500
7. Free Library of Philadelphia, Lewis T153 Title: Treatise on canon law Place: undetermined Date: 1000-1500
8. Free Library of Philadelphia, Lewis T155 Title: De lure lurando Place: undetermined Date: 1000-1500
9. Free Library of Philadelphia, Lewis T157 Title: Commentary on canon law Place: undetermined Date: 1000-1500
10. Free Library of Philadelphia, Lewis T158 Title: De religiosis Place: undetermined Date: 1000-1500