Art News, April 1956, p. 46, illustrated.
E.K. Waterhouse, ‘Preliminary checklist of portraits by Thomas Gainsborough’, Walpole Society, XXXIII, 1953, p. 13, as ‘an early half-length copy’.
W.R. Valentiner, North Carolina Museum of Art: Catalogue of Paintings, North Carolina, 1956, no. 55, illustrated; 1967, no. 55, illustrated.
C.W. Stanford, North Carolina Museum of Art: British and American Painting and Sculpture, North Carolina, 1967, pp. 16-17.
W.R. Valentiner, North Carolina Museum of Art: British paintings to 1900, North Carolina, 1969, pp. 14-15, no. 71, illustrated.
H. Belsey, 'A Gainsborough Sitter Identified: John Hobart, 2nd Earl of Buckinghamshire', Metropolitan Museum Journal, XLV, 2010, p. 214.
H. Belsey, Thomas Gainsborough: The Portraits, Fancy Pictures and Copies after Old Masters, New Haven and London, 2018, no. 121 (forthcoming).