1. Newberry Library, VAULT Ayer MS 2170 no. 3 DS ID: DS17701 Title: Commentary on Aristotle Author: Bernardo Romero Place: Mexico Date: 1598
2. Newberry Library, VAULT Ayer MS 2170 no. 2 DS ID: DS17702 Title: Religious texts Author: Bernardo Romero Place: Mexico Date: 1598 March 10.