Robert C. Alberts, Benjamin West : A Biography, Houghton Mifflin Company, Boston, 1978, P. 397, p. 12 in unnumered plate section between pp. 78and 79, NJ18 W52 A6 (YCBA)Malcolm Cormack, Concise Catalogue of Paintings in the Yale Center for British Art, Yale Center for British Art, New Haven, CT, 1985, pp. 242-243, N590.2 .A83 (YCBA)Catherine M. Gordon, British paintings Hogarth to Turner, Frederick Warne, London, 1981, p. 70, ND466 .G67 (YCBA)Loyd Grossman, Benjamin West and the struggle to be modern, Merrell, London: New York, 2015, p. 108, 109, NJ18.W52 G76 2015 (YCBA)Helmut von Erffa, The Paintings of Benjamin West, Yale University Press, New Haven, 1986, p. 458, no. 536, NJ18 W52 A12 +E73 Oversize (YCBA)John Wilmerding, Essays in honor of Paul Mellon, collector and benefactor : Essays, , National Gallery of Art, Washington, DC & Hanover, NH, 1986, p. 278, fig. 5, N7442.2 M455 1986 (YCBA)