"Edward VII: Image of an Era 1841-1910" (London: Her Majesty's Stationery Office) ISBN 0-11-290508-0* Duff, David (1980).
"Edward VII: Image of an Era 1841—1910" (London: Her Majesty’s Stationery Office) ISBN 0-11-290508-0* Duff, David (1980).