1. University of Pennsylvania, LJS 25 DS ID: DS112 Title: Metaphysics (Aristotle) and Nicomachean ethics Author: Aristotle Place: Italy Date: 1275-1299?
2. Newberry Library, VAULT folio Case MS 23 DS ID: DS18152 Title: Works of Aristotle Author: Aristotle Place: Germany Date: between 1300 and 1350