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2 results filtered with: World War, 1914-1918 - Chemical warfare
  • World War I: a poisonous gas attack on the Canadians in Flanders, 24 April 1915. Coloured chalks by Louis Raemaekers. ca. 1918.
  • World War One: a large snake, symbolic of a gas attack, strikes at a sleeping soldier. Colour halftone after a crayon drawing by L. Raemaekers.