Ryskamp, Charles, ed. Nineteenth Report to the Fellows of the Pierpont Morgan Library, 1978-1980. New York : Pierpont Morgan Library, 1981, p. 202.
Preparatory drawing (accompanied by a somewhat smaller aquatint 1979.26:2) which appeared as pl. XLIV opposite p. 53 in v. 1 of Thomas Malton, "The Picturesque Tour through the Cities of London and Westminster", London, 1792-1801.
Ryskamp, Charles, former owner.
Malton, Thomas, 1748-1804. Picturesque Tour through the Cities of London and Westminster.