1909
A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.I, p.602, CXCVII E, as ‘Naples’.
1990
Peter Bower, Turner’s Papers: A Study of the Manufacture, Selection and Use of his Drawing Papers 1787–1820, exhibition catalogue, Tate Gallery, London 1990, no.52, p.117 (reproduced as ‘Naples [incorrectly as CXVII E]’, also reproduced 52A, ‘Transmitted light detail of watermark and look-through, reversed, 52B in colour, Raking light detail of surface and paint film. x7 magnification, and 52C, Raking light detail of watermark’).
1991
Ian Warrell, ‘R.N. Wornum and the First Three Loan Collections: A History of the Early Display of the Turner Bequest Outside London’, Turner Studies, vol.11, no.1, Summer 1991, p.47, no.87.