101. Free Library of Philadelphia, Lewis E M 46:3a-c Title: Antiphonary Place: Florence Date: 1250-1299
102. Free Library of Philadelphia, Lewis E M 46:15 Title: Antiphonary Place: Florence Date: 1290-1310
109. Free Library of Philadelphia, Lewis E M 48:12-13 Title: Corpus iuris civilis Place: Bologna Date: 1290-1310
110. Free Library of Philadelphia, Lewis E M 66:16a Title: Wheel of sevens Place: France Date: 1200-1299