Surtees, A Catalogue Raisonné, vol. 1, 160 (no. 280).
Rosalind Frances Howard, Countess of Carlisle (1845-1921) married George Howard, 9th Earl of Carlisle in 1864. Sometimes dubbed “The Radical Countess”, she was active in various social and political movements, including women's suffrage, and was intimate with DGR and his circle of friends.