1. Lehigh University, Lehigh Codex 25 DS ID: DS30069 Title: Antiphonary Place: PisaTuscanyItaly Date: 1325-1350
2. Free Library of Philadelphia, Lewis E 136 DS ID: DS4490 Title: Carta pisana and Sentences Author: Isidore of Seville Place: Pisa and Italy Date: 1090-1199