Skip to content
- Hubbard J.W: The Sobo on the Niger (London, 1936)
- Elo Ibagere: Traditional mode of Communication (Delsu Abraka 1994)
- Daniel Ilega: Marriage Among the Urhobo (Otite Onigu – Ibadan 1982)
- C.O. Agatemor: History and Culture of Ellu (Launched 2009)
- Ikime Obaro: The Isoko People, Historical Survey (O.P.U. Ibadan, 1972)
- Isoko Development Union Peace Committee:
Dispute within Erewo-Esa-Ellu Clan 1987 (unpublished). - Peter Imoni Boma: Missionary Efforts in Delta State (compiled Compendium 2002 edited)
- Owhe Clan of the Warri Province: Intelligence report 1932
- The African Bible: St. Paul Communications/Daughters of St. Paul Nairobi (Kenya) 1999
- The Nigerian Observer: Saturday August 28th 1976
- The Nigerian Observer: Monday, March 3rd, 1986