Endangered Languages Catalogue Project. Compiled by research teams at University of Hawai'i Mānoa and Institute for Language Information and Technology (LINGUIST List) at Eastern Michigan University . (2012) ·

Ethnologue: Languages of the World, 16th Edition (2009) . (2009) · edited by M. Paul Lewis · SIL International http://www.ethnologue.com/

Kalabari-Ijo (research article) ( pp. 113-120 ) . Otelemate, Gaibo Harry (2003) · Journal of the International Phonetic Ass.. 33 (1) ·

Lexicological Development of Kalabari Language in the Age of Technology: A Comparative Study of French and Kalabari ( pp. 153-163 ) . Priye E. Iyalla-Amadi (2012) · The Journal of Pan African Studies. 5 (1) ·

ATR harmony in Kalabari Ijo ( pp. 70-81 ) . Akinlabí, Akinbiyi M. (1995) · In Issues in African languages and linguistics: essays in honour of Kay Williamson Special issue of Nigerian language studies · edited by Emenanjo, Emmanuel ’Nolue and Ndimele, Ozo-mekuri · National Inst. for Nigerian Languages (NINLAN)

Ibani bibi dawo diri: studies in the Ibani dialects of Ijo . Fombo, A. (1975) · Occasional publ. from the Rivers Readers Project (RRP), #2 ·

A dictionary of Ibani, an Ijoid language of the Niger Delta . Green, Eldred I. Ibibiem T. and Brown, Abe and Fombo, Adadonye (2005) ·

The Kalabari world view: an outline and interpretation ( pp. 197-220 ) . Horton, Robin (1962) · Africa. 32

Kleines Wörterbuch der Bonny-Sprache ( pp. (?) ) . Köler, Hermann (1843) · Monatsbericht der Geographischen Gesellschaft der Berlin. 2-3

Einige Notizen über Bonny an der Küste von Guinea, seine Sprache und seine Bewohner, mit einem Glossarium ( pp. iv, 182 ) . Köler, Hermann (1848) · Dietrische Univ.-Buchdruckerei

West African language data sheets . Kropp Dakubu, Mary Esther (1980) · West African Linguistic Soc. (WALS); Afrika-Studiecentrum (ASC)