---- _Savage Childhood_, 1906.
---- _Kaffir Socialism and the Dawn of Individualism_, 1908.
M.H. Tongue: _Bushman Paintings_, Oxford, 1909.
(See also the works of A.B. Ellis, Miss Kingsley, Sir Harry H. Johnston,
Frobenius, Stowe, Theal, and Ibn Batuta; and particularly Chamberlain's
article in the _Journal of Race Development_.)