1. English Crown Court Bench Book Judicial Studies Board Crown Court Bench Book: Directing the Jury 2010 http://www.judiciary.gov.uk/Resources/JCO/Documents/Training/benchbook_criminal_2010.pdf
2. Some Rules of Evidence. Reasonable Doubt in Civil and Criminal Cases;May;American Law Review,1875
3. John Henry Wigmore, Johnny Lynn Old Chief, and “Legitimate Moral Force”: Keeping the Courtroom Safe for Heartstrings and Gore;Risinger;Hastings Law Journal,1998
4. In re Winship 1970