2002, ISBN 2-9507974-3-1. Willis, Daniel A., The Descendants of King GeorgeIofGreatBritain, Clearfield Company, 2002, p. 689 Eilers, Marlene. Queen Victoria's
New York: George H. Doran Company. OCLC 13614571. Massie, Robert K. (2003). Castles of Steel: Britain, Germany, and the Winning of the Great War at Sea