Martín Ignacio de Loyola (English Wikipedia)

Raúl A. Molina: Fray Martín Ignacio de Loyola: cuatro obispo del Paraguay y Río de la Plata (1603-1606). Ediciones Jura, 1953 (online at Google Books).
Charles E. O'Neill, Joaquín María Domínguez (eds.): Diccionario histórico de la Compañía de Jesús. Band 1: AA-Costa Rica. Univ. Pontifica de Comillas, 2001, ISBN 84-8468-037-1, p. 109 (online).
William Shurtleff, Akiko Aoyagi: History of Soybeans and Soyfoods in Southeast Asia. Soyinfo Center, 2010, ISBN 978-1-928914-30-3, S. 17 (online).

catholic-hierarchy.org

"Conferencia Episcopal Paraguaya". 2008-10-31. Archived from the original on 2008-10-31. Retrieved 2020-07-14.

"Macao as the non-entry point to China: The case of the Spanish Dominican missionaries (1587-1632)" (PDF). International Conference on The Role and Status of Macao in the Propagation of Catholicism in the East. Retrieved 2011-12-31.