Brook 1985, pp. 279–282 Brook, Peter (1985). «Armstrong Battleships for Japan». Toledo: International Naval Research Organization. Warship International. XXII (3). ISSN0043-0374
Brook 1985, p. 282 Brook, Peter (1985). «Armstrong Battleships for Japan». Toledo: International Naval Research Organization. Warship International. XXII (3). ISSN0043-0374