*Leo Frobenius (as above).
Sir Harry H. Johnston: _Liberia_, 2 vols., New York, 1906.
H.H. Foote: _Africa and the American Flag_, New York, 1859.
T.H.T. McPherson: _A History of Liberia_, Baltimore, Johns Hopkins
Studies.
T.J. Alldridge: _A Transformed Colony_ (Sierra Leone), London, 1910.
E.D. Morel: _Affairs of West Africa_, 1902.
H.L. Roth: _Great Benin and Its Customs_, 1903.
*F. Starr: _Liberia_, 1913.
W. Jay: _An Inquiry_, etc., 1835.
*A.B. Ellis: _The Tshi-speaking Peoples of the Gold Coast_, 1887.
---- _The Ewe-speaking Peoples of the Slave Coast_, 1890.
---- _The Yoruba-speaking Peoples of the Slave Coast_, 1894.
C.H. Read and O.M. Dalton: _Antiquities from the City of Benin_, etc.,
1899.
*M.H. Kingsley: _West African Studies_, 2d. ed., 1904.
*G.W. Ellis: _Negro Culture in West Africa_ (Vai-speaking peoples), 1914.