E.T. Cook and Alexander Wedderburn eds., Library Edition: The Works of John Ruskin: Volume XIII: Turner: The Harbours of England; Catalogues and Notes, London 1904, p.313 no.315 and p.367 no.446, as ‘Swiss Fortress’, p.630 no.446, as ‘Drachenfels’.
Charles Holme (ed.), Robert de la Sizeranne, Walter Shaw Sparrow and others, The Genius of J.M.W. Turner, R.A., London, Paris and New York 1903, pl.W 40.
A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.II, p.1064, CCCXL 2, as ‘Ruined castle on rock. Exhibited Drawings, No.446, N.G., as “Drachenfels.”’.
Basil Gray, Edward Croft-Murray and Martin Butlin, J.M.W. Turner, exhibition catalogue, Bridgestone Gallery, Tokyo 1963, p. no.39, as ‘Ruined castle on rock’.
Basil Gray, Edward Croft-Murray and Martin Butlin, Turner 1775–1851: An Exhibition of Watercolours from the British Museum London, Presented in Association with the British Council, exhibition catalogue, City Hall Art Gallery, Hong Kong 1964, p.18 no.39, as ‘Ruined castle on rock ... Possibly a view near Grenoble’.
Lindsay Stainton in Stainton and Andrew Wilton, J.M.W. Turner: Dibujos y acuarelas del Museo Británico, exhibition catalogue, Museo del Prado, Madrid 1983, p.94 no.83, as ‘Donaustauf a orillas del Danubio (?)’, c.1840, reproduced.
Cecilia Powell, Turner in Germany, exhibition catalogue, Tate Gallery, London 1995, pp.69, 160–1 no.88, as ‘Burg Hals on the Ilz’, 1840, reproduced in colour and on back cover, p.244.