Coke 1680, p. 2. Coke, Sir Edward (1680), The third part of the Institutes of the laws of England : concerning high treason, and other pleas of the crown, and criminal causes, vol. 3 (6th ed.), London: Thomas Basset, p. 2
Ruigh 1971, p. 2. Ruigh, Robert E. (1971), The Parliament of 1624: Politics and Foreign Policy (illustrated ed.), Harvard University Press, p. 2, ISBN978-0-674-65225-5