Penrose, L. S.
Memorandum on dermatoglyphic nomenclature
Outline of human genetics
Recent advances in human genetics
The biology of mental defect
A clinical and genetic study of 1280 cases of mental defect
Down's anomaly
Einführung in die Humangenetik
Human Biochemical Genetics
On the objective study of crowd behaviour
Outline of human genetics
The biology of mental defect