Religious revolution in the Philippines the life and church of Gregorio Aglipay, 1860-1960 - De Achutegui, Pedro S.; bernard y Azcona, Miguel Anselmo (Manila Ateneo de Manila, 1961)
vol.1. From Aglipays' birth to his death: 1860-1940. --vol.2. Philippine Independence Church from 1940 to the present.
Keywords: Aglipay y Labayan, Gregorio, 1860-1940.; Iglesia Filipina Independiente