Bibliography
Bibliography of Vitality:
Connell, Bruce. 1994. The Lower Cross languages: a prolegomena to the classification of the Cross River languages. Journal of West African Languages XXIV. 3-46.
Bibliography of Locations:
Hammarström, Harald & Forkel, Robert & Haspelmath, Martin & Nordhoff, Sebastian. 2014.
Glottolog 2.3. Leipzig: Max Planck Institute for Evolutionary Anthropology. (Available online at http://glottolog.org)
Glottolog 2.3. Leipzig: Max Planck Institute for Evolutionary Anthropology. (Available online at http://glottolog.org)
Bibliography of Context:
Connell, Bruce. 1994. The Lower Cross languages: a prolegomena to the classification of the Cross River languages. Journal of West African Languages XXIV. 3-46.