Richmond Mayo-Smith, _Emigration and Immigration_ (1890). This is one
of the oldest American works on the subject and remains the best
scientific discussion of the sociological and economic aspects of
immigration.

Edward A. Steiner, _On the Trail of the Immigrant_ (1906). A popular
and sympathetic account of the new immigration.


THE NEGRO

B.G. Brawley, _A Short History of the American Negro_ (1913).

W.E.B. Du Bois, _The Negro_ (1915). A small well-written volume, with
a useful bibliography and an illuminating chapter on the negro in the
United States; also, by the same author, _Suppression of the African
Slave Trade_ (1896).

Carter G. Woodson, _A Century of Negro Migration_ (1918).

J.R. Spears, _The American Slave Trade_ (1900).

A.H. Stone, _Studies in the American Race Problem_ (1908). Contains
several of Walter F. Wilcox's valuable statistical studies on this
subject.

J.A. Tillinghast, _The Negro in Africa and America_ (1902) contains a
suggestive comparison of negro life in Africa and America.