E.T. Cook, Hidden Treasures of the National Gallery. A Selection of Studies and Drawings by J.M.W. Turner, R.A. Now Published for the First Time. With Some Account of Them. With a Sketch of Turner’s Life, and Reproductions of a Number of his Finished Works, London 1905, p.35 reproduced, as ‘The Grey Castle’.
A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.II, p.828, CCLXIII 184, as ‘The grey castle’. c.1820–30.
Gerald Wilkinson, Turner’s Colour Sketches 1820–34, London 1975, p.107, reproduced in colour, as ‘Grey Castle’.
Andrew Wilton, Turner in the British Museum: Drawings and Watercolours, exhibition catalogue, Department of Prints and Drawings, British Museum, London 1975, pp.22, 126 under no.204, as a Tamworth Castle subject.
Eric Shanes, Turner’s Picturesque Views in England and Wales 1825–1838, London 1979, p.156, as likely study for ‘Tamworth’.
Andrew Wilton, J.M.W. Turner: His Life and Work, Fribourg 1979, p.399 under no.844.
Eric Shanes, Turner’s Watercolour Explorations 1810–1842, exhibition catalogue, Tate Gallery, London 1997, pp.27, 70, 96, 105 (p.70 under cats.54–5, p.96 Appendix I under ‘England and Wales Series’, as ‘Study for Tamworth Castle, Staffordshire’. c.1830, p.105 Appendix II, as ‘Study: Tamworth Castle, Staffordshire’).
Ian Warrell (ed.), Franklin Kelly and others, J.M.W. Turner, exhibition catalogue, National Gallery of Art, Washington 2007, fig.29 (colour), as ‘Colour Study for “Tamworth Castle” (also known as “The Grey Castle”)’. c.1830.