1. University of Pennsylvania, Ms. Coll. 764 Item 116a DS ID: DS1943 Title: Power of attorney Date: 1423.
2. University of Pennsylvania, Ms. Coll. 764 Item 122 DS ID: DS1951 Title: Power of attorney Date: 1423.
3. University of Pennsylvania, Ms. Coll. 764 Item 162 DS ID: DS1983 Title: Power of attorney Date: 1486.
4. University of Pennsylvania, Ms. Coll. 764 Item 73 DS ID: DS2058 Title: Power of attorney Date: 1419.