"Etudes et documents tchadiens", Série C (Linguistique), no. 2, pp. 196–219. Elements of Noy, plus a 50-word comparative list of Noy, Niellim (2 dialects), Tunia, Iro Gula. Gen. de Rendinger, "Contribution à l'étude des langues nègres du Centre Africain", Journal de la Société des Africanistes, XIX-II, 1949, pp. 143–194. Includes examples and grammatical information on Bolgo varieties and Zan Gula. A. N. Tucker & M. A. Bryan, The Non-Bantu Languages of North-Eastern Africa, Handbook of African Languages, part III, Oxford University Press for International African Institute, 1956. Includes an over-inclusive list of Bua languages, a grammatical summary of Bua, Tunia, and Niellim based on existing fieldwork, and a brief comparative wordlist for Day. Specific languages See Niellim, Gula Iro for works on those languages. P. A. Benton, Languages and Peoples of Bornu Vol. I, Frank Cass & Co:London 1912 (1st ed.)/1968 (2nd ed.) Gives Barth's unpublished vocabulary of Bua on pp. 78–130. P. Boyeldieu, La langue lua ("niellim") (Groupe Boua – Moyen-Chari, Tchad) Phonologie – Morphologie – Dérivation verbale. Descriptions des langues et monographes ethnologuistiques, 1. Cambridge University Press & Editions de la Maison des Sciences de l'Homme for SELAF. Paris 1985. (CUP). (A major source for this bibliography.) Faris, David and Marba Meundeung. 1993. Etude sociolinguistique de la langue bon goula. SIL Chad. Includes wordlist. J. Mouchet, "Contribution à l'étude du Gula (Tchad)", Bulletin de l'IFAN, vol. XX, series B, no. 3-4, 1958, pp. 593–611. On Bon Gula. P. Palayer, Esquisse phonologique du Tounia, INSH, 1974 (?). External links Proto-Bua Swadesh list (Boyeldieu m.s.) Languages of Chad Mbum–Day languages