1. Newberry Library, VAULT box Ayer MS 1062 DS ID: DS18281 Title: Power of attorney Author: Chaves, Melchor de Date: 1577 Feb. 15-March 2.
2. Newberry Library, VAULT box Ayer MS 1111 DS ID: DS18282 Title: Power of attorney Author: Jiménez de Enciso, Andrés Place: Cartagena and Colombia Date: 1596 July 8.