(de) Sabine Weingarten, «Sakraler Bereich», in Zur materiellen Kultur der Bevölkerkung des Jos-Plateaus, Franz Steiner, Stuttgart, 1990, p.171-197
(en) Suzanne Preston Blier, «Sons of the moon: the Ngas of central Nigeria» (critique du film), in Archaeoastronomy (College Park, MD), 10, 1987-1988, p.154-155
(en) Umar Habila Dadem Danfulani, «Pa divination: ritual performance and symbolism among the Ngas, Mupun and Mwaghavul of the Jos Plateau, Nigeria», in Jacob Obafẹmi Kẹhinde Olupọna, (dir.), African spirituality: forms, meanings, and expressions, Crossroad, New York, 2000, p.87-111
(en) J. A. Egboh, « The Ngas smoking pipe bowl (Tul-Taba)», in Nigerian heritage. Journal of the National Commission for Museums and Monuments (Lagos), no1, 1992, p.62-76
(en) Malcolm D. McLeod, « Angas mask», in Treasures of African art, Abbeville Press, New York, 1980, p.28-29
(en) Daniel Nimcir Wambutda, «Essay on Angas oral tradition associated with masquerades and what that reveals about migrations and early history of the Angas people of Nigeria's Jos Plateau», in Nwanna Nzewunwa (dir.), Masquerade in Nigerian history and culture, University of Port Harcourt Press, 1983, p.99-117
(en) Daniel Nimcir Wambutda, A study of conversion among the Angas of Plateau State of Nigeria with emphasis on Christianity, P. Lang, Francfort-sur-le-Main, 1991, 238 p. (ISBN3820497803)
Filmographie
(en) West Africa, Nigeria (Angas): Making a Raft-Zither, 1962, in Encyclopaedia Cinematographica, Institut für den Wissenschaftlichen Film, Göttingen, 1952-1995, court métrage muet en noir et blanc, 14'
(en) West Africa, Nigeria (Angas): Dances and Rites After the Death of a Tribal Chief 1962, in Encyclopaedia Cinematographica, Institut für den Wissenschaftlichen Film, Göttingen, 1952-1995, court métrage muet en noir et blanc, 14'
(en) Sons of the moon: the Ngas of central Nigeria, de Frank Speed et Deirdre LaPin, filmé en 1974-1975 et sorti en 1984
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