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 Ayer MS 2170 no. 2 DS ID: DS17702 Title: Religious texts Author: Bernardo Romero Place: Mexico Date: 1598 March 10.