Journals of the Rev. James Frederick Schön 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
Schön, James Frederick.
Crowther, Samuel,1806?-1891.
London Cass
1970
Facsimile reprint of 1st ed., London: Hatchard, 1842