1878
Catalogue of Sketches by Turner Lent by The Trustees of the National Gallery to the Ruskin Drawing School, Oxford, London 1878, nos.134 (1st edition), 100b (2nd edition), as ‘The Tower’.
1909
A.J. Finberg, A Complete Inventory of the Drawings in the Turner Bequest, London 1909, vol.II, p.895, as ‘Traitor’s gate, Tower of London’.
1993
Jan Piggott, Turner’s Vignettes, exhibition catalogue, Tate Gallery, London 1993, p.96.
1994
Ian Warrell, J.M.W. Turner 1775–1851: Aquarelles et Dessins du Legs Turner: Collection de la Tate Gallery, Londres / Watercolours and Drawings from the Turner Bequest: Collection from the Tate Gallery, London, exhibition catalogue, Palais des Beaux-Arts de Charleroi 1994, p.166 (erroneously as CCLXXX 94).