Ijo language

The sound system and spelling of Ịzọn

Kay Williamson, O.A. Egberipou (Rivers Readers Project).

Short Ịzọn-English dictionary

edited by Kay Williamson and A.O. Timitimi ; selected from material compiled by F.A. Aganaba ... [et al.].

Linguistik Ethnographie, Westafrika (Nigeria, Kamerun): 4°-8°N, 3°15'-9°30'E : Sprachen und Ethnien in Südnigeria und Westkamerun = Linguistics Ethnography, West Africa (Nigeria, Cameroun)

Herrmann Jungraithmayr und Herbert Ganslmayr.

The Ịzọn of the Niger Delta

edited by Ebiegberi Joe Alagoa, Tekena Notonye Tamuno, John Pepper Clark

The sound system and spelling of Ịjọ

Kay Williamson, O.A. Egberipou

A grammar of the Kolokuma dialect of Ijo.

Kay Williamson

A linguistic guide to spoken Kalabari

Charles E.W. Jenewari

Oral traditions of the Delta people =: Ikuegbe ve̲ etavwerhe re̲ ide̲lta (Urhobo) = Ita uṣe-ẹ̀ ghàrẹ iŕ Delta (Isekiri) = Ịsịa avọ ịtata iruẹru ahwo ịdẹlta (Isoko) = Dẹlịta otu arịbịbị eyerin-bụọ bo (Izon).

A unified standard orthography for the Ịjọ language cluster: Nigeria

[Cyprian Budonyefa Agbegha ... [et al.]]

The Izọn of the Niger Delta

Ebiegberi Joe Alagoa, Tekena Notonye Tamuno and John Pepper Clark