ETHNONYMS: Alta, Arta, Baluga, Dumagat, Negritos, Pugut
See also Philippine Negritos
Griffin, P. Bion, and Agnes Estioko-Griffin (1985). The Agta of Northeastern Luzon: Recent Studies. Cebu City: San Carlos Publications.
Headland, Thomas N. (1986). Why Foragers Do Not Become Farmers: A Historical Study of a Changing Ecosystem and Its Effect on a Negrito Hunter-Gatherer Group in the Philippines. Ann Arbor, Mich.: University Microfilms International.
Headland, Thomas N. (1987). "Kinship and Social Behavior among Agta Negrito Hunter-Gatherers." Ethnology 26: 261-280.
Headland, Thomas N. (1988). "Ecosystemic Change in a Philippine Tropical Rainforest and Its Effect on a Negrito Foraging Society." Tropical Ecology 29:121-135.
Headland, Thomas N. (1989). "Population Decline in a Philippine Negrito Hunter-Gatherer Society." American journal of Human Biology 1:59-72.
Peterson, Jean T. (1978). The Ecology of Social Boundaries: Agta Foragers of the Philippines. Urbana: University of Illinois Press.
THOMAS N. HEADLAND