German travelers on the Cordillera, 1860-1890 - Semper, C. (Carl) 1832-1893.; Scott, William Henry 1921-. (Manila Filipiniana Book Guild, 1975)
Keywords: Ethnology -- Luzon. -- Philippines; Luzon, Northern -- Description and travel; Luzon, Northern -- History; Luzon (Philippines) -- Description and travel; Luzon (Philippines) -- Social life and customs