Hearing on the Bill (H.R. 14798) To Establish a Laboratory for the Study of the Criminal, Pauper, and Defective Classes : hearings before the United States House Committee on the Judiciary, Fifty-Seventh Congress, first session, on Apr. 25, 1902.

Hearing is followed by "Bibliography of Genius, Insanity, Idiocy, Feeblemindedness, Alcoholism, Pauperism, and Crime" reprinted from "Abnormal Man", Circular of Information No. 4, Bureau of Education (p. 139-304).