Clause 40; Robert Henry, The History of Great Britain, vol. 4 (Edinburgh, 1781) appx, p. 622 · J. W. Jones, A Translation of all the Greek, Latin, Italian, and French Quotations which occur in Blackstone's 'Commentaries on the Laws of England', &c. (London, 1823) p. 249https://en.wikiquote.org/wiki/Magna_Carta