Exhibition of works by the Old Masters and deceased masters of the British School , exh. cat, London 1878, p. 46, no. 241 (where identified as Mrs. William Goddard (posthumous), and her children );
W. Armstrong, Gainsborough and his place in English art, London and New York 1898, p. 196; 1904 ed., p. 268 (where identified as Mrs. William Goddard, and her children );
A. Graves, A Century of Loan Exhibitions, 1813-1912 , London 1913, vol. I, p. 383, no. 241 (where identified as Mrs. William Goddard and Children );
W. Whiteley, Thomas Gainsborough, London 1915, p. 290 (where identified as "Mrs Sloper and her two surviving daughters");
The Illustrated London News, vol. 157, issue 4260, 11 December 1920, p. 972, reproduced in its complete form (where identified as "Mrs Sloper and her two surviving daughters");
W.R. Valentiner and J. Hope-Johnstone (eds), Catalogue of a Loan Exhibition of English Paintings , exh. cat., Detroit 1926, p. 23, no. 8 (where identified as Portrait of the two children of Mrs. Goddard );
Gainsborough to Grant: 18 th , 19 th and 20 th Century Pictures , exh. cat., London 1934, p. 11, no. 16 (where identified as "the daughters of General Sir Robert Sloper");
"Notable works of art now on the market", in The Burlington Magazine , vol. 65, no. 381, advertisement supplement, December 1934, p. ii, reproduced pl. VII (where identified as "the daughters of General Sloper");
J.B. Whitmore, in Notes and Queries , vol. 192, issues 2 and 8, 25 January - 19 April 1947, pp. 41 and 173 (where identified first as "Mrs Sloper... and her two surviving daughters" and later as "the mother of these [illegitimate] children, and... two surviving daughters");
E.K. Waterhouse, "A Preliminary Checklist of Portraits by Thomas Gainsborough", in The Walpole Society , vol. XXXIII, Oxford 1953, p. 99 (where identified as the Misses Sloper );
Exhibition of twenty-one paintings from the Kimbell Art Foundation , exh. cat., Fort Worth 1953, n.p., no. 4, reproduced (where identified as The Goddard Sisters - Anne and Margaret );
E.K. Waterhouse, Gainsborough, London 1958, p. 90, no. 622 (2) (where identified as The Misses Sloper );
J. Lindsay, Thomas Gainsborough: His Life and Art, London 1981, p. 193 (where identified as "the two surviving daughters of Mrs Sloper");
K. Retford, "A Death in the Family: Posthumous Portraiture in Eighteenth-Century England", in Art History , vol. 33, no. 1, February 2010, pp. 86, 90-91 and 93, reproduced in its complete form pl. 10 (where identified as The Sloper Family (Mrs Jenny Goddard and her Daughters) );
H. Belsey, Thomas Gainsborough: The Portraits, Fancy Pictures and Copies After Old Masters, New Haven and London 2019, vol. I, pp. 9 and 403-4, no. 406 (2), reproduced in colour (where identified as Maria and Amelia Goddard );
S. Sloman, Gainsborough in London , London 2021, pp. 193-96, reproduced in its complete form fig. 134 (where identified as The Sloper Children and their Mother ).