found: African ethnonyms and toponyms, 1984:p. 150 (Dagomba (DagBamba, Ngwana))
found: Ethnologue:p. 232 (Dagbani (Dagbane, Dagomba, Dagbamba))
found: Voegelin lang.:p. 151 (Dagbani (Dagbane, Dagomba, Dagbamba) Ghana, Togo)
found: Briticanna.com website, June 23, 2006(Oti-Volta languages; the largest languages in the Oti-Volta group include Moore, the principal language of eastern Burkina Faso; Gurma; Gurenne; Dagbani, the principal language of northern Ghana; and Dagaari, spoken in northwestern Ghana; among the Grusi languages, Kabiye is widely spoken as a second language in northern Togo)
found: Ethnologue, 2013(Dagbani, a language of Ghana; Location: Northeast Tamale area, as far as Yendi; Classification: ... Gur, Central, Northern, Oti-Volta, Western, Southeast; Dialects: Nanuni (Nanumba). Lexical similarity: 95% with Mampruli, 90% with Farefare, 89% with Kusaal; Ethnic autonym: Dagbamba or Dagomba; Ethnonym: Dagbani)