Blair, Emma Helen; Robertson, James Alexander; Bourne, Edward Gaylord (1903). The Philippine Islands, 1493–1803. Vol. 5 (1582–1583). The Arthur H. Clark Company. Archived from the original on June 4, 2024. Retrieved June 4, 2024.
Blair, Emma Helen; Robertson, James Alexander; Bourne, Edward Gaylord (1903). The Philippine Islands, 1493–1803. Vol. 5 (1582–1583). The Arthur H. Clark Company. Archived from the original on June 4, 2024. Retrieved June 4, 2024.