A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.I, p.558, as ‘The Colonnacce (remains of the external walls of the Temple of Mars Ultor); formerly called remains of Temple of Pallas.)’.
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Powell, ‘Turner on Classic Ground: His Visits to Central and Southern Italy and Related Paintings and Drawings’, unpublished Ph.D thesis, Courtauld Institute of Art, University of London 1984, pp.129, 138, 476 note 10, reproduced fig.79, as ‘The Colonnacce and their decoration’.
Cecilia Powell, Turner in the South: Rome, Naples, Florence, New Haven and London 1987, pp.51 note 8, 57 note 29.