グムズ族
Gumuz: a dialect survey report. Journal of Ethiopian Studies 18: 91-114.
Unseth, Peter. 1989. Selected aspects of Gumuz phonology. Proceedings of the 8th International Conference on Ethiopian Studies, Addis Ababa, 1984: 617-32.
Uzar, Henning. 1993. “Studies in Gumuz: Sese phonology and TMA system”. In Topics in Nilo-Saharan linguistics, edited by M.L. Bender. Hamburg: Helmut Buske: 347-383.
Wallmark, Peter. 1981. “The Bega (Gumuz) of Wellega: Agriculture and subsistence”. In Peoples and cultures of the Ethio-Sudan borderlands, edited by M.L. Bender. East Lansing: Michigan State University, African Studies Centre: 79-116.
Zanni, Leone. 1939-40. La Tribù dei Gumus. Note Etnografiche. La Nigrizia. Verona.