M.L. Boyle, Biographical Catalogue of The Portraits at Panshanger, the seat of the Earl Cowper, KG, London, 1885, pp. 213-25.
A. Graves and C. Cronin, A History of the Works of Sir Joshua Reynolds, P.R.A, London, 1899, II, p. 796.
E.K. Waterhouse, Reynolds, London, 1941, pp. 107, 96, and 61.
Sudbury, Gainsborough's House, and Plymouth City Art Gallery, Reynolds Self-Portraits, 1992, no.7.