The Roman Catholic Mission and Traditional Rulers in Igboland in the Nineteenth CenturyANYIKA, F.Africa. 1989, Vol 44, Num 2, pp 211-231, issn 0001-9747Article

The Chi Concept in Igbo Religious ThoughtANYIKA, F.Communio Viatorum. 1988, Vol 31, Num 4, pp 217-225, issn 0010-3713Article

The Supreme God in Igbo Traditional Religious Thought and WorshipANYIKA, F.Communio Viatorum. 1989, Vol 32, Num 1-2, pp 5-20, issn 0010-3713Article

The Episcopal History of the Anglican Church in Igboland. The Beginnings of Indigenous Bishopric in the Anglican Church in Igboland 1864-1943ANYIKA, F.Neue Zeitschrift für Missionswissenschaft. 1988, Vol 44, Num 2, pp 110-124, issn 0028-3495Article

Methodism Establishes in Port Harcourt Eastern Nigeria, 1924-1926ANYIKA, F.Neue Zeitschrift für Missionswissenschaft. 1987, Vol 43, Num 4, pp 255-269, issn 0028-3495Article