Mendelism and the problem of mental defect - Heron, David; Pearson, Karl, 1857-1936; Jaederholm, Gustav A. (Gustav Aksel), b.1882 (London : Dulau, 1913)
Vol. 1. A criticism of recent American work --v. 2. On the continuity of mental defect / by Karl Pearson and G. A. Jaederholm --v. 3. On the graduated character of mental defect and on the need for standardizing judgments as to the grade of social inefficiency which shall involve segregation / Karl Pearson
Keywords: Heredity; Mendel's law; Mental illness; People with mental disabilities