Purvey, P. F. (1996), Coins of England and the United Kingdom, vol. 1 (31 ed.), Sanford J Durs, ISBN978-0-7134-7677-4The manifesto slogan was reproduced on two coins subsequently struck by the Royal Mint. p. 189
Carlton 2011, pp. 131–132. Carlton, Charles (2011). This Seat of Mars: War and the British Isles, 1485-1746 (illustrated ed.). Yale University Press. pp. 131–132. ISBN978-0300139136.