Title: Gas!
Subtitle: the battle for Ypres, 1915
Subjects: Campaigns, World War, 1914-1918, Asphyxiating and poisonous Gases, Ypres, 2nd Battle of, Ieper, Belgium, 1915, War use, Chemical & biological weapons, Land forces & warfare, Belgium, Military History - World War I, Gases, Asphyxiating and poisonous, Ieper, Ypres, 2nd Battle of, Ieper, B, Ypres, 2e bataille d', 1915, Guerre, 1914-1918 (Mondiale, 1re), Campagnes et batailles, Gas asphyxiants et délétères, Utilisation militaire
Places: Belgium, Ieper