1. University of Pennsylvania, Oversize Ms. Codex 80 Title: Statutes Place: Città di Castello Date: [between 1261 and 1273]
2. University of Pennsylvania, Oversize Ms. Codex 91 Title: Statutes Place: Città di Castello Date: [14--]
3. University of Pennsylvania, Ms. Coll. 764 Item 11 Title: Authorization of sale Author: Città di Castello Date: 1278.
4. University of California, Berkeley, BANC MS UCB 43 Title: Legislative acts Place: Città di Castello Date: 1345-1350.