1. Systematic Treatises:
(1) Castle, W. E., Coulter, J. M., Davenport, C. B., East, E. M., and Tower, W. L. Heredity and Eugenics. Chicago, 1912.
(2) Davenport, C. B. Heredity in Relation to Eugenics. New York, 1911.
(3) Goddard, Henry H. Feeble-mindedness. New York, 1914.
2. Inherited Inferiority of Families and Communities:
(1) Dugdale, Richard L. The Jukes. New York, 1877.
(2) M'Culloch, O. C. The Tribe of Ishmael. A study in social degradation. National Conference of Charities and Correction, 1888, 154-59; 1889, 265; 1890, 435-37.
(3) Goddard, Henry H. The Kallikak Family. New York, 1912.
(4) Winship, A. E. Jukes-Edwards. A study in education and heredity. Harrisburg, Pa., 1900.
(5) Estabrook, A. H., and Davenport, C. B. The Nam Family. A study in cacogenics. Cold Spring Harbor, N.Y., 1912.