1. University of Pennsylvania, Ms. Codex 107 DS ID: DS896 Title: Cartulary Author: Monastery of San Andrés de Fanlo Place: Spain Date: between 1250 and 1299
2. Free Library of Philadelphia, Lewis E 245 DS ID: DS4584 Title: Fuero real Author: Alfonso X of Castile and Leon Place: Spain Date: 1255-1299