1. University of Kansas, MS C54 DS ID: DS1148 Title: Liber beati Ysidori episcopi Author: Isidore of Seville Place: Italy Date: between 1401-1500].
2. University of California, Davis, UCD D-041:08 DS ID: DS10327 Title: Sententiarum libri Author: Isidore of Seville Place: Italy Date: s. XV(2); 1450-1499