1904
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.314 no.321, as ‘Caernarvon Castle’, p.630 no. 448, as ‘Carnarvon [sic] Castle (pencil)’.
1909
A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.I, p.50, XXVI 3, as ‘Ruined Castle at Newport’.
1914
Alexander J. Finberg, ‘Some Leaves from Turner’s “South Wales” Sketch-book’, The Third Annual Volume of the Walpole Society: 1913–1914, Oxford 1914, p.95 as ‘Ruined Castle at Newport’ pl.LXXIX.
1920
D[ugald] S[utherland] MacColl, National Gallery, Millbank: Catalogue: Turner Collection, London 1920, p.47.
1975
Elis Jenkins, ‘J.M.W. Turner in Glamorgan’, Glamorgan Historian, vol.2, 1975, p.55.