1. University of California, Berkeley, BANC MS UCB 143 v.36 DS ID: DS12499 Title: Letters Author: Juan Vicente de Güemes, 2nd Count of Revillagigedo Place: Mexico Date: 1789-1792.
2. Newberry Library, VAULT oversize Ayer MS 1908 DS ID: DS18274 Title: Legal text Place: Culhuacán and Mexico Date: between 1530 and 1549