1909
A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.II, p.928, as ‘Do.’ i.e. ‘Ditto’, ‘Town, with castle’.
1991
Cecilia Powell, Turner’s Rivers of Europe: The Rhine, Meuse and Mosel, exhibition catalogue, Tate Gallery, London 1991, pp.53 note 33, [p.62], 143 no.67.
1995
Cecilia Powell, Turner in Germany, exhibition catalogue, Tate Gallery, London 1995, p.61 note 3, [p.81].
1999
Peter Bower, Turner’s Later Papers: A Study of the Manufacture, Selection and Use of his Drawing Papers 1820–1851, exhibition catalogue, Tate Gallery, London 1999, pp.73–4 no.31, ill.34A (‘transmitted light image of the composite watermark’).