BRIDGES, W.M., 1933, Intelligence Report on the Bum Area. Buea Archives. Unpublished.

CHILVER, EM., 1993, Working Notes on the Kingdom of Bum.

CHILVER, E. M., and KABERRY, P.M., 1968, Traditional Bamenda, the Pre-Colonial History and Ethnography of Bamenda Grassfields. Buea: Ministry of Primary Education and Social Welfare, and West Cameroon Antiquities Commission.

MAIR, L.P., 1962, Primitive Government. Harmondsworth: Penguin Books.

NKWI, RN., and WARNIER, J.-P., 1982, Elements for a History of the Western Grassfields. Yaounde: University of Yaounde.

NYAMNJOH, F. B., 1985 Change in the Concept of Power Amongst the Bum. Maitrise dissertation F.L.S.H., Yaounde (Mimeo).

POLLOCK, J.H.H., 1927, An Assessment report on the Bum Area. Buea Archives Unpublished.

RADCLIFFE-BROWN. 1940, "Preface' in: African Political Systems. M. Fortes and E.E. Evans-Pritchard.(eds). London: Oxford University Press. 1-23.