1. As in Alberta, the British Columbia Eugenics Board could recommend the sterilization of those it considered to be suffering from "mental disease or mental deficiency".

2. Journal of Nervous and Mental Disease by Philadelphia Neurological Society, American Neurological Association, Chicago Neurological Society, New York Neurological Association (1902) "A Case of Asthenic Bulbar Paralysis with the Results of Autopsy

3. Hirsch, William 1898 "The Pathological Anatomy of 'A Fatal Disease of Infancy, with Symmetrical Changes in the Region of the Yellow Spot' (Warren Tay), ' Amaurotic Family Idiocy' (Sachs), 'Infantile Cerebral Degeneration' (Kingdon and Russell)." Journal of Nervous and Mental Disease 25: 538-49.