1. Boston Public Library, MS f Med.91 Title: Dits des philosophes. Le mireon aux pecheurs. Le livre Griseledis. Le mireon des pecheurs. Place: France Date: between 1400 and 1425
2. Boston Public Library, MS f Med.96 Title: Astronomical canon tables]. Author: John of Saxony Place: France Date: between 1375 and 1399].