found: Biebuyck, D. African ethnonyms, 1996:p. 49 (Beti (Cameroun), var.: Betsi; note: Bantu language; a collective term for the northern Fang, sometimes including Fang, Ewondo, Bane, Bulu, and others) p. 83 (Ewondo (Cameroun), var.: Jaunde, Yaounde, Yaunde; note: Bantu language; sometimes referred to as Northern Fang)
found: Ethnologue, 13th ed. Internet ed.:under Cameroon (Beti (2,000,000 including Fang, Ewondo, Bulu, Mengisa, etc.) Niger-Congo, Atlantic-Congo, Volta-Congo, Benue-Congo, Bantoid, Southern, Narrow Bantu, Northwest, A, Yaunde-Fang (A.70). Consists of a set of 'languages' (Bebele, Bebil, Bulu, Eton, Ewondo, Fang, Mengisa) which are partially intelligible but ethnically distinct. Different from Bette-Bende of Nigeria or the Bete languages of Côte d'Ivoire) under Cameroon (Ewondo (Ewundu, Jaunde, Yaounde, Yaunde) Niger-Congo, Atlantic-Congo, Volta-Congo, Benue-Congo, Bantoid, Southern, Narrow Bantu, Northwest, A, Yaunde-Fang. It is intelligible with Bulu, Eton, and Fang as part of the Beti language.)