George Grenfell and the Congo : a history and description of the Congo Independent State and adjoining districts of Congoland, together with some account of the native peoples and their languages, the fauna and flora; and similar notes on the Cameroons and the island of Fernando Pô, the whole founded on the diaries and researches of the late Rev. George Grenfell, B.M.S., F.R.G.S.; and on the reco...