1909
A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.II, p.727, CCXXXVII 35, as ‘Do. [i.e. ditto: ‘Tivoli’]; also – “Garofolini. Via Porta Pinciana.”’.
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Powell, ‘Turner on Classic Ground: His Visits to Central and Southern Italy and Related Paintings and Drawings’, unpublished Ph.D thesis, Courtauld Institute of Art, University of London 1984, pp.175–6, 331 note 133, 490 note 24.
1987
Cecilia Powell, Turner in the South: Rome, Naples, Florence, New Haven and London 1987, pp.78, 160, 204 note 21, 207 note 120.