T.K. Ingram: _History of Slavery and Serfdom_, London, 1895. (Same article
revised in Encyclopædia Britannica, 11th edition.)
John R. Spears: The American Slave Trade, 1900.
*T.F. Buxton: _The African Slave Trade and Its Remedy_, etc., 1896.
T. Clarkson: _History ... of the Abolition of the African Slave Trade_,
etc., 2 vols., 1808.
R. Drake: _Revelations of a Slave Smuggler_, New York, 1860.
*_Report of the Lords of the Committee of Council_, etc., London, 1789.
*B. Mayer: _Captain Canot or Twenty Years of an African Slaver_, etc.,
1854.
W.E.B. DuBois: _The suppression of the African Slave-Trade to the U.S.A._,
1896.
(See also Bryan Edwards' _West Indies_.)