Francisco Colin & Pablo Pastells (1900) Labor evangelica, ministerios apostolicos de los obreros de la Compañia de Iesvs, fvndacion, y progressos de su provincia en las islas Filipinas, Vol. III. Barcelona: Henrich y Compañia, p. 54.[1]
Georg Schurhammer (1980) Francis Xavier: His Life, his times - vol. 3: Indonesia and India, 1545-1549. Rome: The Jesuits Historical Institute, p. 190.[2]
P.A. Tiele (1879-1887) "De Europëers in den Maleischen Archipel", Bijdragen tot de Taal-, Land- en Volkenkunde 25-36, Part IV:1, p. 399-400; Bartholomew Leonardo de Argensola (1708), The discovery and conquest of the Molucco and Philippine Islands. London, p. 97-8.[5]