"ENVIRONMENT." . . . . . . . . . . . . . . . . . . . . "Ethnographic atlas of Ifugao : a study of environment, culture, and society in Northern Luzon" . "Ethnographic atlas of Ifugao : a study of environment, culture, and society in Northern Luzon"@en . . "Ethnographic atlas of Ifugao : a study of environment, culture and society in Northern Luzon" . . . . . . . . . . . . . . . . "Maps"@en . . . . "ATLASES." . . "Agriculture Philippines Ifugao Cartes." . . "MAPS." . . "Ifugao (peuple des Philippines)" . . . . "Bildband" . . "LUZON (Philippines)" . . "American geographical society." . . "Ethnologie Philippines Cartes." . . "Ifugao." . . "Ethnologie" . . "Ethnologie." . "PHILIPPINES." . . "Philippines" . . "Ifugao (peuple) Luzon (Philippines) - nord [atlas]" . . "POPULATION." . . "Ifugao (Philippines)" . . "Ifugao, Philippines" . "Ifugao" . . "Ethnologie Philippines Ifugao Cartes." . . "CULTURE." . .