Filipino struggle for freedom from 1521-1898 Efren M. Yambot, Vivian M. Yambot ; illustrations Joel Tabuena, Elmer Alitagtag ; design Jesca L. Wleon ; Phillippine map Jose Algae, Atlas de Filipinas 1899 . - Yambot, Efren M. (Efren M. Yambot, 1998)