Addison, Henry Robert (1897). Who's who. London: Adam & Charles Black. hlm. 96.
heraldica.org
Heraldica – British Royalty Cadency. In 1917, the escutcheon was dropped by royal warrant from George V. Of course Victoria had died in 1901 and the arms had not been used by her since her marriage to Prince Friedrich Wilhelm of Prussia, later German Emperor Friedrich III.