found: Work cat.: Triulzi, A. Salt, gold, and legitimacy, 1981:p. 1 (The region is mainly inhabited by Bertha groups on both sides of the present Ethio-Sudanese border ...) footnote, p. 1 (better known in the literature as Berta)
found: Web. 3(Bertat (a people of the Shangalla group))
found: Voegelin lang.(Berta=Chari=Nile; Berti=Saharan)
found: Curr. trends ling.:v. 7, p. 781 (lists Berta, var. Barta; also lists Berti; apparently different groups)
found: Murdock world cult.:p. 85, under Bideyat (... Berti) p. 53 (Berta: specific data on the Berta (Shangalla), plus related Fazoglo, Fung, Gamilla, Kele, Malkan, Sillok, and Tornasi ...)
found: Ethnologue:p. 101, under Wetawit (Berta, Barti, Burta, Beni ...)
