Onwuejeogwu, Angulu, Afa Symbolism and Phenomenology Phenomenology in Nri Kingdom and Hegemony: An African Philosophy of Social Action, 1997
Rashidi, Runoko, “More Light on Sumer, Elam and India“, in Sertima and Rashidi, African Presence in Early Asia, 1988.
Robert Graves, Greek Myths 1&2, Penguin, NY, 1960
Ruhlen, Merrit, The Origin of Language – Tracing the Evolution of the Mother Tongue, John Wiley & Sons Inc, Canada, 1994
Scranton, Laird The Science of the Dogon, Inner Traditions, Rochester, 2006
Shaw, Thurstan, Unearthing Igbo Ukwu, Faber & Faber, London, 1977
Shaw, Thurstan, Igbo Ukwu, Vols. 1 &2, Faber and Faber, London, 1970
Sitchen, Zacharia, The Stairway to Heaven, Avon Books, NY, 1983
Chandler, Wayne “The Jewel in the Lotus”, African Presence in Early Asia, 1988
Umeh, John, Igbo People – Their Origin and Culture Area, Gostak Publishers, Enugu, 1999.
Umeh, John, After God is Dibia, Karnak Books, Enugu, 1997
Winters, Clyde, “Y-Chromosome Evidence of an African Origin of Dravidian Agriculture” in International Journal of Genetics and Molecular Biology, Vol. 2, No. 3, pp. xxx-xxx, March, 2010
Van Sertima, Ivan, African Presence in Early Asia, Tradition Books, NY, 1985