English-Kunama lexicon. Afrikanistische Arbeitspapiere 65. 201-253.; Bender, M. Lionel. 1996. Kunama (Languages of the World/Materials 59). München: Lincom.; Bender, M. Lionel. 1971. The languages of Ethiopia: A new lexicostatistic classification and some problems of diffusion. Anthropological Linguistics 13. 165-288.