Job Ludolphus: _A New History of Ethiopia_ (tr. by Gent), London, 1682.
W.S. Harris: _Highlands of Æthiopia_, 3 vols., London, 1844.
R.S. Whiteway: _The Portuguese Expedition to Abyssinia_ ... as narrated by
Castanhosa, etc., 1902.
THE NIGER RIVER AND ISLAM *F.L. Shaw (Lady Lugard): _A Tropical
Dependency_, etc., London, 1906.
(The reader may dismiss as worthless Lady Lugard's definition of "Negro."
Otherwise her book is excellent.)
*Es-Sa'di, Abderrahman Ben Abdallah, etc., translated into French by O.
Houdas, Paris, 1900.
*F. DuBois: _Timbuktu the Mysterious_ (tr. by White), 1896.
*W.D. Cooley: _The Negroland of the Arabs_, etc., 1841.
*H. Barth: _Travels and Discoveries in North and Central Africa_, etc., 5
vols., 1857-58.
*Ibn Batuta: _Travels_, etc. (tr. by Lee), 1829.
*Leo Africanus: _The History and Description of Africa_, etc. (tr. by
Pory, ed. by R. Brown), 3 vols., 1896.
*E.W. Blyden: _Christianity, Islam, and the Negro Race_.
*Leo Frobenius: _The Voice of Africa_ (tr. by Blind), 2 vols., 1913.
Mungo Park: _Travels in the Interior Districts of Africa_, 1799.