A. F. Tredgold
1870 – 1952
Eugenics and the future progress of man
Manual of psychological medicine for practitioners and students
Mental deficiency
Mental deficiency (amentia)
Mental deficiency (amentia)..
Textbook of mental deficiency (subnormality)
A text-book of mental deficiency
A text-book of mental deficiency (amentia)
The problem of degeneracy