by later hand, lower right verso in graphite: Hoppner Children / 3 1/2 Top / Premier Etat, lettre ouvert; lower left in plate: Painted by I Hoppner, R.A. Portrait painter to His RH the Prince of Wales; lower center in plate: CHILDREN BATHING. / Publish'd April / 1799 by Ward & Co at Mr Say's No 78. Charlotte Street, Portland Chapel
Christopher Lennox-Boyd; (Nicholas Stogdon, Oxford); purchased 2001 by NGA.
- Smith, John Chaloner. British mezzotinto portraits, being a descriptive catalogue of these engravings from the introduction of the art to the early part of the present century. 4 vols. London: Henry Sotheran and Co., 1884.
- Frankau, Julia. William Ward, A.R.A., James Ward, R.A.: Their Lives and Works. London, 1904.