A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.I, p.490, CLXIX 7a, with transcription.
Alexander J. Finberg, The Life of J.M.W. Turner, R.A. Second Edition, Revised, with a Supplement, by Hilda F. Finberg, revised ed., Oxford 1961, pp.–7.
John Gage, Collected Correspondence of J.M.W. Turner with an Early Diary and a Memoir by George Jones, Oxford 1980, p.74 letter no.76 and note 1.
Cecilia Powell, Turner’s Rivers of Europe: The Rhine, Meuse and Mosel, exhibition catalogue, Tate Gallery, London 1991, pp.36, 59 note 65, with transcription.
Cecilia Powell, Turner in Germany, exhibition catalogue, Tate Gallery, London 1995, pp.29, 77 note 57.
Martin F. Krause, Turner in Indianapolis: The Pantzer Collection of Drawings and Watercolors by J.M.W. Turner and his Contemporaries at the Indianapolis Museum of Art, Indianapolis 1997, p.132.