Booth Notes Doc. 5, p. 3; Brownlow 1847, pp. 57-59; Whitley 1700-1799, vol. 1, p. 163; R.H. Nichols & F.A. Wray, The History of the Foundling Hospital, 1935, pp. 251, 261-62, repr. opp. p. 270; Ford 1951, p. 16; Waterhouse 1953, p. 174; WGC, pp. 76, 180, pl. 43b; B. Nicolson & J.F. Kerslake, The Treasures of the Foundling Hospital, 1972, pp. 81-82. no. 85, pl. 55; J. Harris, The Artist and the Country House, 1979, p. 271. fig. 292; E.K. Waterhouse, British 18th Century Painters in Oils and Crayons, Woodbridge 1981, Solkin 1982, pp. 149-150