1. University of Pennsylvania, Ms. Coll. 764 Item 107 DS ID: DS1935 Title: Power of attorney Date: 1422.
2. University of Pennsylvania, Ms. Coll. 764 Item 112 DS ID: DS1939 Title: Power of attorney Date: 1422.
3. University of Pennsylvania, Ms. Coll. 764 Item 121 DS ID: DS1950 Title: Power of attorney Date: 1423.