1. Afigbo A.E., South Africa after the Union, in: The Growth of African Civilisation, v. 2: The late Nineteenth Century to the Present Day, ed. A.E. Ayandele – A.E. Afigbo – R.J. Gavin – J.D. Omer-Cooper, London 1971, p. 237-267.
2. African Christianity: an African Story, ed. O.U. Kalu, Pretoria 2005.
3. Arnauld D., Histoire du christianisme en Afrique: les sept premiers siècles, Paris 2001.
4. Articles about Africa’s cultural, philosophical and religious roots: The Meaning of Africa Month (anon.) in: https://www.kara.co.za/kara-articles.php?id=24 (accessed: 8.02.2022).
5. Baur J., 2000 Years of Christianity in Africa: an African History, 62-1992, Nairobi 1994.