James Abbott McNeill Whistler, Arrangement in Black: Portrait of F. R. Leyland, 1870, oleo sobre tela, Freer Gallery of Art, Washington, DC:
James Abbott McNeill Whistler, Arrangement in Black and Gold: Comte Robert de Montesquiou-Fezensac, 1891–92, oleo sobre tela, The Frick Collection, Nueva York: