1. University of Pennsylvania, Ms. Coll. 764 Item 123 DS ID: DS1952 Title: Power of attorney Date: 1424.
2. University of Pennsylvania, Ms. Coll. 764 Item 134 DS ID: DS1962 Title: Power of attorney Date: 1446.
3. University of Pennsylvania, Ms. Coll. 764 Item 172 DS ID: DS1993 Title: Power of attorney Date: 1506.