1909
A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.I, p.341, CXXII 37, as ‘Two figures’.
1974
Gerald Wilkinson, The Sketches of Turner, R.A. 1802–20: Genius of the Romantic, London 1974, p.124.
2003
Ian Warrell, ‘Exploring the “Dark Side”: Ruskin and the Problem of Turner’s Erotica’, with ‘A Checklist of Erotic Sketches in the Turner Bequest’, British Art Journal, vol.4, no.1, Spring 2003, pp.17, 18, pl.9, as ‘A couple involved in sexual intercourse’.
2012
Ian Warrell, Turner’s Secret Sketches, London 2012, p.76, reproduced in colour p.77.