81. University of Pennsylvania, Ms. Coll. 764 Item 11 Title: Authorization of sale Author: Città di Castello Date: 1278.
83. University of Pennsylvania, Ms. Coll. 764 Item 249 Title: Notarial documents Date: 1200s or 1300s.
84. University of Pennsylvania, Ms. Coll. 764 Item 3 Title: Privileges Author: Innocent IV Date: 1247.