1. Nicomachean Ethics by Aristotle 350 B.C.E
2. Rex v. Arnold 1724
3. M'Naughten's case, 8 Eng Rep. 718 1843
4. Shared psychotic disorder and criminal responsibility: a review and case report of folie a trois;Joshi;Journal of the American Academy of Psychiatry and the Law,2006
5. Regina v. Oxford 1840