E. Waterhouse, "Preliminary Check List of Portraits by Thomas Gainsborough," in Walpole Society 33 (1953), p. 9 (as General Thomas Bligh );
E. Waterhouse, Gainsborough , London 1958, p. 55 (as General Thomas Bligh? );
J. Canaday, "Flip of Coin Helps Divide Fortune in Art," in New York Times (May 15 1960), p. 77;
K. Baetjer, European Paintings in The Metropolitan Museum of Art by Artists Born Before 1865: A Summary Catalogue , New York 1995, p. 188, reproduced p. 187 (as Portrait of Man called General Thomas Bligh );
K. Baetjer, British Paintings in The Metropolitan Museum of Art, 1575-1875 , New York 2009, pp. 95-96, cat. no. 41, reproduced (as Portrait of a Man );
H. Belsey, "A Gainsborough Sitter Identified: John Hobart, 2nd Earl of Buckinghamshire," in Metropolitan Museum Journal 45 (2010), pp. 211-215, reproduced fig. 1;
H. Belsey, Thomas Gainsborough. The Portraits, Fancy Pictures and Copies after Old Masters , vol. I, New Haven and London 2019, p. 124, cat. no. 122, reproduced (as painted circa 1784).