Daniell, 210 Daniell, W.F. (1848). "On the Natives of Old Callebar, West Coast of Africa". Journal of the Ethnological Society of London (1848–1856). 1: 210–227. doi:10.2307/3014087. JSTOR3014087.
jstor.org
Daniell, 210 Daniell, W.F. (1848). "On the Natives of Old Callebar, West Coast of Africa". Journal of the Ethnological Society of London (1848–1856). 1: 210–227. doi:10.2307/3014087. JSTOR3014087.
worldcat.org
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Hallett, p.206 Hallett, Robin, ed. (1964), Records of the African Association, 1788–1831, London;New York: T.Nelson OCLC574796