11. University of Pennsylvania, Ms. Coll. 591 Folder 21 DS ID: DS1774 Title: Liber aggregatus in medicinis simplicibus Author: Serapion the Younger Date: ca. 1300.
12. University of Pennsylvania, Ms. Coll. 591 Folder 44 DS ID: DS1793 Title: Canon of Medicine Author: Avicenna Date: 1300s-1400s?