http://www.rogerblench.info/Language/Niger-Congo/VN/Igboid/IgbOP.htm (Publisher version)
http://www.rogerblench.info/Language/Niger-Congo/VN/Igboid/Ekpeye%20dictionary.pdf (Publisher version)
Blench, R. (Ed.). (2013). A dictionary of Ekpeye: an Igboid language of Southern Nigeria. [Cambridge]: N.A.