1. University of Pennsylvania, Ms. Coll. 742 Folder 121 DS ID: DS1824 Title: Notarial document Date: 1522.
2. University of California, Berkeley, BANC MS UCB 143 v.155 DS ID: DS12492 Title: Libro del tumbo de este monasterio de Nuestra Senora de Sandoval Author: Gabriel de Trujillo Place: Spain Date: approximately 1580-1591.