1. University of Pennsylvania, Ms. Coll. 764 Item 100 DS ID: DS1928 Title: Power of attorney Date: 1421.
2. University of Pennsylvania, Ms. Coll. 764 Item 102 DS ID: DS1930 Title: Power of attorney Date: 1421.
3. University of Pennsylvania, Ms. Coll. 764 Item 71 DS ID: DS2056 Title: Power of attorney Date: 1419.
4. University of Pennsylvania, Ms. Coll. 764 Item 86 DS ID: DS2071 Title: Power of attorney Date: 1420.