1. University of Pennsylvania, Ms. Codex 144 DS ID: DS1360 Title: Notarial documents Place: Teruel and Spain Date: 1387.
2. Boston Public Library, MS pb Med.273 DS ID: DS3437 Title: Deed Author: Pedro de Serra Place: Barcelona Date: 1314.
3. University of California, Berkeley, BANC MS UCB 171 DS ID: DS12703 Title: Notarial document Date: 1311-1663].