1909
A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.I, p.536, as ‘A castle (?), and three sketches of a ruin’.
1979
Andrew Wilton, The Life and Work of J.M.W. Turner, Fribourg 1979, p.384 no.731.
1984
Cecilia Powell, ‘Turner on Classic Ground: His Visits to Central and Southern Italy and Related Paintings and Drawings’, unpublished Ph.D thesis, Courtauld Institute of Art, University of London 1984, pp.194 note 102, 196 note 110, 262 note 123.
1987
Cecilia Powell, Turner in the South: Rome, Naples, Florence, New Haven and London 1987, pp.[88] note 78, 89 note 81.
2000
David Hill, Joseph Mallord William Turner: Le Mont-Blanc et la Vallée d’Aoste, exhibition catalogue, Museo Archeologico Regionale, Aosta / Musée Archéologique Régional, Aoste 2000, p.295.