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.315 no.324, as one of ‘Two Bridge Subjects’, 637 no.623 (b), as ‘Sketch of a Bridge’.
1909
A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.I, p.53, XXVI 91, as ‘“Brecknock Castle.” ... Probably the missing page 42’.
1918
Alexander J. Finberg, ‘Further Leaves from Turner’s “South Wales” Sketch-book’, The Sixth Volume of the Walpole Society: 1917–1918, Oxford 1918, p.103, as ‘“Brecknock Castle” ... Probably the missing p.42’.
1920
D[ugald] S[utherland] MacColl, National Gallery, Millbank: Catalogue: Turner Collection, London 1920, p.47.
1985
Edward Yardley, ‘Picture Notes: Two Bridges and the Castle, Brecknock’, Turner Studies, vol.5, no.1, Summer 1985, p.60.
1997
Charles Nugent and Melva Croal, Turner Watercolors from Manchester, exhibition catalogue, Memphis Brooks Museum of Art, Memphis 1997, p.27, fig.15.