1. Vic Gatrell, City of Laughter: Sex and Satire in Eighteenth-Century London (London: Atlantic, 2006), 212.
2. Thomas Milton Kemnitz, ‘The Cartoon as a Historical Source’, Journal of Interdisciplinary History 4 (1973), 82.
3. Lawrence H. Streicher, ‘On a Theory of Political Caricature’, Comparative Studies in Society and History 9 (1967), 433.
4. E.H. Gombrich, Meditations on a Hobby Horse (London: Phaidon, 1978), 129.
5. Diana Donald, The Age of Caricature: Satirical Prints in the Reign of George III (London: Yale University Press, 1996), 12–14.