(en) John Raji Adive, A descriptive study of the verbal piece in Ebira (A langue of Kwara State, Nigeria), Londres, School of Oriental and African Studies, (lire en ligne)
(en) John R. Adive, Ebira orthography, Jos, Ebira Christian Unity Fellowship,
(en) John R. Adive, « Ebira orthography », dans R. G. Armstrong, Orthographies of Nigerian languages: manual IV, Lagos, Federal Ministry of Education, National Language Center, , 1–31 p.