found: Werner, R. Grammatik des Nobiin (Nilnubisch), 1987.
found: Britannica Micro.:v. 7, p. 431 (Nubian languages are a group of languages spoken by people in Egypt and the Sudan, along the banks of the Nile. Nile Nubian languages are divided into 3 groups: Northern or Kenuzi; Central or Mahas, and Southern or Dongola. Most Nubian languages, which are now classed in the Eastern Sudanic group of the Chari-Nile language family, were formerly classed as Hamitic or as Sudanese-Guinean)
found: Current trends ling.:v. 7, p. 863 (Nuba, Nubian : cover term for Birked, Dongalo-Kenuz (Kenuzi, Nile Nubian), Mahas-Fiyadikka (Nile Nubian), (Hill Nubian, Midob) (Nubian Hill; Nilo-Saharan, Chari-Nile, E.))
found: Ethnologue:p. 170 (Nubian, Hill (Kordofanian Nubian), Chari-Nile family, Eastern Sudanic branch, Nubian group)
found: Voegelin lang.:p. 320, under Eastern Sudanic (Nubian. Sudan, extending into Egypt. Languages include Birked; Dongola-Kenuz; Kordofanian Nubian or Hill Nubian; Mahas-Fiyadikka and Midob)