purnell's history of the world wars special Warships of the First World War / ed. by Bernard Fitzsimons Norway's shipping losses during the war to the end june 1917 history of the world in 100 weapons / Chris McNab Warships of World War I : combined volume / H.M. Le Fleming warships of world war i; 1 Warships of World War I : battleships (British and German battleships and battle cruisers) / H.M. Le Fleming