The Philippine Islands, 1493-1898 - Volume 16 of 55 1609 Explorations by Early Navigators, Descriptions of the Islands and Their Peoples, Their History and Records of the Catholic Missions, as Related in Contemporaneous Books and Manuscripts, - Robertson, James Alexander, 1873-1939; Blair, Emma Helen, -1911; Bourne, Edward Gaylord, 1860-1908 (Project Gutenberg, 2005)