1909
A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.I, p.501, as ‘Do. [Further extracts]’.
1982
Cecilia Powell, ‘Topography, Imagination and Travel: Turner’s Relationship with James Hakewill’, Art History, vol.5, no.4, December 1982, pp.419 and 425 note 61.
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Powell, ‘Turner on Classic Ground: His Visits to Central and Southern Italy and Related Paintings and Drawings’, unpublished Ph.D thesis, Courtauld Institute of Art, University of London 1984, pp.41 note 65, 332 and 531 note 136, 392–3.
1987
Cecilia Powell, Turner in the South: Rome, Naples, Florence, New Haven and London 1987, p.158.