Manners, Victoria; Williamson, George Charles; Kauffmann, Angelica [Ill.]: Angelica Kauffmann: her life and her works (London: John Lane the Bodley Head Limited, 1924)

THE COUNTESS OF DERBY AND HER SON
ANGELICA HERSELF IS REPRESENTED PLAYING ON THE HARP.
In the possession oj a member of the Johnston family (address unknown'),