found: Work cat.: Onyekpeze, F.A. An outline of the people, culture & socio-economic interest of the Ika Nation, 2003:p. 1 (Delta State of Nigeria; located in one Local Govt. Area, Ika LGA before 1991; then split into two LGAs, Ika North-East and Ika South)
found: Ethnologue online, viewed July 25, 2005(Ika, a language of Nigeria; region, Delta State, Ika LGA; a separate lang. in the Igbo lang. cluster)
found: Biebuyck, D. African ethnonyms, 1996(Ika; Nigeria; subcategory of Igbo; further subdivided into Northern and Southern Ika; sometimes referred to as Western Igbo)
found: Wente-Lukas, R. Handbook of ethnic units in Nigeria, 1985:p. 173 (Ika; separate lang. but closely related to the Igbo lang. cluster; synonyms: Kwale Ibo or Ukwuani)
found: A&AT online, viewed July 22, 2005(Western Igbo; variants: Ika, Kwale Ibo, Ukwuani, West Igbo, Western Ibo)
