1. University of Chicago, Bacon Ms2073 Bookmark DS ID: DS21647 Title: Chirograph Place: England Date: 1340 or 1341
2. University of Chicago, Bacon Ms2174 Bookmark DS ID: DS21701 Title: Chirograph Place: England Date: 1348 or 1349
3. University of Chicago, Bacon Ms4379 Bookmark DS ID: DS22626 Title: Chirograph Place: England Date: 1315