Crowther, Andrew (13 August 2018). "The Carpet Quarrel Explained". The Gilbert and Sullivan Archive. Retrieved 10 October 2021.
Shepherd, Marc. "Introduction: Historical Context", The Grand Duke, p. vii, New York: Oakapple Press, 2009. Linked at The Gilbert and Sullivan Archive, retrieved 7 July 2009.
Henry Lytton took over the role, after the transfer to Palmer's Theatre, as soon as he could arrive from England. He stated in his memoirs that he was the seventh actor to play the role in New York. See Lytton, Henry. Secrets of a Savoyard, chapter 5, Jarrolds, 1922
Baker, Anne Pimlott. "Moore, (Lilian) Decima (1871–1964)", Oxford Dictionary of National Biography, Oxford University Press, September 2004, retrieved 12 February 2009