1. E. A. Poe “The imp of the perverse ” Graham's Lady's and Gentleman's Magazine (July 1845) vol. 28 pp. 1–3.
2. S. Freud in The Standard Edition of the Complete Psychological Works of Sigmund Freud J. Strachey Ed. (Hogarth London 1950) vol. 1 pp. 115–128.
3. I.—ARE WE AUTOMATA?
4. C. Baudoin Suggestion and Autosuggestion (Dodd Mead New York 1921).
5. C. Darwin On the Origin of Species by Means of Natural Selection (Broadview Petersborough Canada 2003).