Gilbert og sullivan admiral af dronningens flåde?
H.M.S. Pinafore
Prestige, Colin. "D'Oyly Carte og piraterne: The Original New York Productions of Gilbert and Sullivan", s. 113-48 på s. 118, Gilbert and Sullivan Papers Presented at the International Conference held at the University of Kansas in May 1970, Edited by James Helyar. Lawrence, Kansas: University of Kansas Libraries, 1971.
H.M.S. Pinafore
Prestige, Colin. "D'Oyly Carte and the Pirates: The Original New York Productions of Gilbert and Sullivan", pp. 113–48 at p. 118, Gilbert and Sullivan Papers Presented at the International Conference held at the University of Kansas in May 1970, Edited by James Helyar. Lawrence, Kansas: University of Kansas Libraries, 1971
H.M.S. Pinafore