Law, R. C. C. (1971). "The constitutional troubles of Ọyọ in the eighteenth century". The Journal of African History. 12 (1): 25–44. doi:10.1017/s0021853700000050. ISSN0021-8537.
Law, R. C. C. (1971). "The constitutional troubles of Ọyọ in the eighteenth century". The Journal of African History. 12 (1): 25–44. doi:10.1017/s0021853700000050. ISSN0021-8537.