Bedford and Luton Archives and Record Service. L30/14/333/345 16 February 1779: Frederick Robinson to his brother Thomas Robinson, 2nd Baron Grantham, Ambassador at Madrid.

British Library, Add. Mss 36994 ff 117–119: “A Mode of Imitating Drawings on Copper Plates discovered by P. Sandby R. A., in the year 1775, to which he gave the Name of Aquatinta”.

London, Library of the Society of Antiquaries, Society of Dilettanti archives, Letter Book, p. 221, May 1776.

National Art Library, MSL/1932/1563: Letter from Sandby to Clerk of Eldin, London, 8 September 1775. London, Victoria and Albert Museum.

Edwards, Edward, Anecdotes of Painters who have resided in or been born in England with critical remarks on their production London (London: 1808).

Edwards, Edward, Anecdotes of Painters who have resided in or been born in England with critical remarks on their production London (London: 1808). )| false
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Gilpin, William, An Essay on Prints, containing Remarks upon the Principles of picturesque Beauty, the different kinds of prints, and the characters of the most noted Masters (London: 1768).

Gilpin, William, An Essay on Prints, containing Remarks upon the Principles of picturesque Beauty, the different kinds of prints, and the characters of the most noted Masters (London: 1768). )| false
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Jones, Thomas, “The Memoirs of Thomas Jones” ed. Adolph Paul Oppé, Walpole Society, vol. 32 (1946).

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Sandby, Thomas Paul, “Memoirs of the Late Paul Sandby Esq. R. A.”, Monthly Magazine, or, British Register, vol. 31 (June 1811), 437–441.

Sandby, Thomas Paul, “Memoirs of the Late Paul Sandby Esq. R. A.”, Monthly Magazine, or, British Register, vol. 31 (June 1811), 437–441. )| false
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Caledonian Mercury, 25 February 1752.

General Advertiser, Friday 6 March 1752.

General Evening Post, 27–29 April 1758.

London Evening Post, 10–12 May 1757.

London Chronicle or Universal Evening Post, 4–6 October 1774.

Morning Chronicle and London Advertiser, Wednesday 27 July 1774.

Public Advertiser, London, Saturday 15 January 1757.

The Case of Designers, Engravers, Etchers, &c, Stated in a Letter to a Member of Parliament, cited in David Hunter, “Copyright Protection for Engravings and Maps in Eighteenth-Century Britain”, The Transactions of the Bibliographical Society Library, vol. s6-IX, no. 2 (1987), 130.

Alexander, David, and Richard T. Godfrey, editors. Painters and Engraving: the Reproductive Print from Hogarth to Wilkie, exhibition catalogue (New Haven: 1980).

Alexander, David, and Richard T. Godfrey, editors. Painters and Engraving: the Reproductive Print from Hogarth to Wilkie, exhibition catalogue (New Haven: 1980). )| false
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Clayton, Timothy, The English Print 1688–1802 (London and New Haven: 1997).

Clayton, Timothy, The English Print 1688–1802 (London and New Haven: 1997). )| false
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Godfrey, Richard, Printmaking in Britain (Oxford: 1978). )| false
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Gordon, Thomas Crouther, David Allan, the Scottish Hogarth (Alva: 1951).

Gordon, Thomas Crouther, David Allan, the Scottish Hogarth (Alva: 1951). )| false
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Gunn, Ann V., The Prints of Paul Sandby, (1731–1809), a Catalogue Raisonné (Turnhout: 2015).

Gunn, Ann V., The Prints of Paul Sandby, (1731–1809), a Catalogue Raisonné (Turnhout: 2015). )| false
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Gunn, Ann V., “Views in and Near Naples: Aquatints by Paul Sandby and Archibald Robertson”, The British Art Journal, 14, no. 1 (2013), 33–43.

Gunn, Ann V., “Views in and Near Naples: Aquatints by Paul Sandby and Archibald Robertson”, The British Art Journal, 14, no. 1 (2013), 33–43. )| false
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Gunn, Ann V., “Paul Sandby, William Pars and the Society of Dilettanti”, Burlington Magazine, 152, no. 1285 (2010), 219–227.

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Gunn, Ann V., “Sandby, Greville and Burdett, and the ‘Secret’ of Aquatint”, Print Quarterly, 29, no. 2 (2012), 178–180.

Gunn, Ann V., “Sandby, Greville and Burdett, and the ‘Secret’ of Aquatint”, Print Quarterly, 29, no. 2 (2012), 178–180. )| false
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Hopkinson, Martin, ‘The Burdett–Banks Correspondence’, Print Quarterly, 24, no. 3 (2007), 269–270.

Hopkinson, Martin, ‘The Burdett–Banks Correspondence’, Print Quarterly, 24, no. 3 (2007), 269–270. )| false
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Hunter, David, ‘Copyright Protection for Engravings and Maps in Eighteenth-Century Britain’, The Transactions of the Bibliographical Society Library, s6-IX, no. 2 (1987), 128–147.

Hunter, David, ‘Copyright Protection for Engravings and Maps in Eighteenth-Century Britain’, The Transactions of the Bibliographical Society Library, s6-IX, no. 2 (1987), 128–147. )| false
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Robertson, Bruce, Paul Sandby and the Early Development of English Watercolor, PhD dissertation (Yale: 1987).

Sandby, William A., Thomas and Paul Sandby, Royal Academicians (London: 1892).

Sandby, William A., Thomas and Paul Sandby, Royal Academicians (London: 1892). )| false
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Strange, Robert, An inquiry into the rise and establishment of the Royal Academy of Arts. To which is prefixed, A Letter to the Earl of Bute (London: 1775).

Strange, Robert, An inquiry into the rise and establishment of the Royal Academy of Arts. To which is prefixed, A Letter to the Earl of Bute (London: 1775). )| false
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Strutt, Joseph, A Biographical Dictionary containing an historical account of all the engravers, from the earliest period of the art of engraving to the present time (London: 1785).

Strutt, Joseph, A Biographical Dictionary containing an historical account of all the engravers, from the earliest period of the art of engraving to the present time (London: 1785). )| false
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http://www.nationalarchives.gov.uk/currency/.