1. Argenti , Nicolas P. 1996 The Material Culture of Power in Oku, North West Province, Cameroon. Unpublished Ph.D. dissertation, University of London.
2. Bah , N. J. 1996 Oku Past and Present: Three Essays, unpublished.
3. 2004 A Western Grassfields’ Palace (Cameroon). Anthropos 99.