Joseph Grego Rowlandson the Caricaturist: A selection from his works, with anecdotal desciptions.... 2 vols., London, 1880, vol. I, pp. 375-8 (August 12, 1799), vol. II, p. 395 (June 20, 1799).
John Roland Abbey Life in England in Aquatint and Lithography, 1770-1860: Architecture, Drawing Books, Art Collections, Magazines, Navy and Army Panoramas, etc., From the Library of J. R. Abbey. The Curwen Press, Ltd., 1953, pp. 319-20, no. 379.