Stories of the provincies a brief history of each of the provinces of the Philippine Islands por Fernandez, Leandro Heriberto 1889-1947

Censo de las Islas Filipinas levantado por orden de la Legislatura Filipina en 1918

Censo de las Islas Filipinas levantado por orden de la Legislatura Filipina en 1918

Population statistics

Census of the Philippine Islands taken under the direction of the Philippine Legislature in the year 1918

Census of the Philippine Islands taken under the direction of the Philippine Legislature in the year 1918