found: Work cat.: Barrato, C.L. Pintubo Negritos (Revisited), 1978(Pintubo part of Zambales Negritos)
found: Web. 3.
found: Murdock world cult.(Aeta, Agta, Eta, Ita, Zambales-Bataan)
found: Handbk. ethnog.
found: Rodil, B.R. The minoritization of the indigenous communities of Mindanao and the Sulu Archipelago, 1994:p. 11 (Lumad tribes: Ata (Ataas), Bagobo and Guiangga, Mamanwa, Mangguangan, Mandaya, Banwa-on, Bilaan, Bukidnon, Dulangan, Kalangan, Kulaman, Manobo, Subanon, Tagabili (Tboli), Tagakaolo, Talandig, Tiruray)
found: The orphans of Pinatubo, 2001:cover (Ayta) p. xii (Asian type Negritos; considered first migrants to the Philippines during last glacial period, ca. 20,000 yrs. ago)
found: Francisco, Martin. Mahabe pagotan, 2012:t.p. (Dumagat ethnic group who lives in Bulacan part of Sierra Madre, Philippines)
found: Wikipilipinas, October 28, 2014(Dumagat people are of the Agta Negrito groups found in Luzon)
found: Official website of Aurora Province, Philippines, October 28, 2014(Negrito group recognized in literature as Agta, locally known as Dumagat)
