151. Free Library of Philadelphia, Lewis T148 Title: Decretales Gregorii IX Place: undetermined Date: 1000-1500
154. Free Library of Philadelphia, Lewis T151 Title: Commentary on canon law Place: undetermined Date: 1000-1500
155. Free Library of Philadelphia, Lewis T152 Title: Commentary on canon law Place: undetermined Date: 1000-1500
156. Free Library of Philadelphia, Lewis T153 Title: Treatise on canon law Place: undetermined Date: 1000-1500
157. Free Library of Philadelphia, Lewis T155 Title: De lure lurando Place: undetermined Date: 1000-1500
158. Free Library of Philadelphia, Lewis T157 Title: Commentary on canon law Place: undetermined Date: 1000-1500
159. Free Library of Philadelphia, Lewis T158 Title: De religiosis Place: undetermined Date: 1000-1500
160. Free Library of Philadelphia, Lewis T159 Title: Commentary on canon law Place: undetermined Date: 1000-1500