1. Afigbo, A. E. (1996). The anthropology and historiography of Central-South Nigeria before and since Igbo-Ukwu. History in Africa, 23, 1–15.
2. Alagoa, E. J., Anozie, F.N., Nzewunwa, N. (Eds.) (1988). The early history of the Niger Delta, Helmut Buske Verlag
3. Anozie, F. N. (1985). Archaeology of Igboland. Asele Institute.
4. Aremu, D. (2005). Change and continuity in metallurgical traditions: Origins, technology and social implications. In A. Ogundiran (Ed.), Precolonial Nigeria. Essays in Honor of Toyin Falola (pp. 133–155). Africa World Press.
5. Babalola, A. B. (2021). Creativity, improvisation, resilience, and glassmaking in early Ile-Ife. International Journal of African Historical Studies, 54(1), 21–52.