A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.II, p.1213, CCCLXV 27 (a), as ‘Sea and sky’, after c.1830.
Luke Herrmann, Turner: Watercolours Lent by the British Museum, exhibition catalogue, Musée Provisoire d’Art Moderne, Brussels 1970, p.25 no.103, reproduced p..
Martin Butlin, Andrew Wilton and John Gage, Turner 1775–1851, exhibition catalogue, Royal Academy, London 1974, p.80 no.176, as one of ‘Two Studies on One Sheet: a Cloudy Sky over the Sea; and a Stormy Landscape’, c.1817.
Werner Hofmann in Hofmann, Andrew Wilton, Siegmar Hosten and others, William Turner und die Landschaft seiner Zeit, exhibition catalogue, Hamburger Kunsthalle 1976, p.106 no.26, as one of ‘Zwei Studien auf einem Blatt: Bewölkter Himmel über dem Meer; Sturm über einer Landscaft’, c.1817, reproduced.
David Loshak and Andrew Wilton, J.M.W. Turner 1775–1851: Akvareller og Tegninger fra British Museum, exhibition catalogue, Statens Museum for Kunst, Copenhagen 1976, p.36 no.16, as one of ‘Two Studies on One Sheet’, c.1817, reproduced p.37 (upside down).
Sketching the Sky: Watercolours from the Turner Bequest, exhibition catalogue, Tate Gallery, London 1995, p. no number, as ‘Boats at Sea’, c.1820–25.
Eric Shanes, Turner’s Watercolour Explorations 1810–1842, exhibition catalogue, Tate Gallery, London 1997, p.102 Appendix I ‘Sea Sketches and Studies’ and ‘Sky Sketches’.
Ian Warrell in Warrell (ed.), Franklin Kelly and others, J.M.W. Turner, exhibition catalogue, National Gallery of Art, Washington 2007, p.110 no.71, as ‘A Boat at Sea’, c.1820–25, reproduced in colour.