The present models were also produced in the white. Pairs are known in the collections of the Victoria & Albert Museum, The British Museum and the N.C. Ashton Collection. See Peter Bradbury, Derby Porcelain Figures 1750-1848, London, 1990, p. 26, 32-33, no. B1, fig. 10.
See also John Twitchett, Derby Porcelain, London, 1980, p. 33, fig. 14 for a pair in white.