1. University of California, Berkeley, BANC MS UCB 151 DS ID: DS12575 Title: Chronicle Author: Alfonso X of Castile and Leon Place: Spain Date: between 1525 and 1541
2. Columbia University Rare Book & Manuscript Library, MS X893 H11 DS ID: DS18917 Title: Hebrew texts Author: Alfonso X of Castile and Leon Place: Italy Date: 15--