"Letters and Papers, Foreign and Domestic, of the Reign of Henry VIII" by John Sherren Brewer, Robert Henry, Great Britain. Public Record Office, (vol. XX, part 2, p. 513), 1862.
"Stephan Kinsella on the Logic of Libertarianism and Why Intellectual Property Doesn't Exist". Interview with Anthony Wile, www.thedailybell.com. March 18, 2012.