Catalogue 1814, p. 20; Hastings 1825, p.10; Hazlitt 1843-44, vol. 1, p. iii, no. 108; Cook & Wedderburn, vols. 3, p. 189 & 13, p. 145; Whitley 1800-1820, p. 111; Davies 1946, pp. 174-75, cat. 108; WGC, p. 225, pl. 117b (version 1); Solkin 1982, pp.192-93; Farington Diary, vol. 1, p. 214, 15 July 1794, vol. 9, p. 3297, 17 June 1808; Clark & Bowron 1985, pp. 258-59, under cat. 177; F. Owen et al., 'Noble and Patriotic': The Beaumont Gift, 1828, exh. cat., National Gallery, London, 1988, pp. 60-61; Wilson and Europe 2014 p. 256