Journals of the Rev. James Frederick Schon and Mr. Samuel Crowther who, with the sanction of Her Majesty's Government accompanied the expedition up the Niger in 1841 on behalf of the Church missionary society - Schon, Jemes Frederick, 1803-1889; Crowther, Samuel, 1806-1891 (London : Frank Cass, 1842)
First ed. 1842
Keywords: Niger Expedition -- (1841-1842); Niger River -- Description and travel; Africa, West -- Description and travel