Commemorative Catalogue 1934, p. 29, cat. 95; WGC, pp. 20, 62, 153, pl. 6a; O. Millar, Later Georgian Pictures in the Royal Collection, London, 1964; J. Kerslake, National Portrait Gallery: Early Georgian Portraits, 1977 (40); C. M. Gordon, British Paintings Hogarth to Turner, 1981, p. 76; Solkin 1982, pp. 151-52; Cormack 1985, pp. 250 & 251; L. Colley, Crown Pictorial, Art and the British Monarchy, 1990, p. 32, no. 58; E.G. D'Oench, The Conversation Piece: Arthur Devis and his contemporaries, YCBA, 1980, p. 72; J. Marschner et al., eds, Enlightened Princesses: Caroline, Augusta, Charlotte, and the Shaping of the modern World, 1987, pp. 396-97