English Libel Law and the E.U. Provisions Governing Free Movement of Goods - David F. Dieteman claims that "English defamation law conflicts with E.U. free movement of goods provisions because the massive and unpredictable liabilities of English libel law have "equivalent effect" to restrictions on trade." [PDF] (March 19, 2001).
Defamation Law and Free Speech - Leaflet with information about legal rights and options for action for people who may be threatened by a legal action or who are worried about something they want to say or publish. (November 1, 1996).