鈥楳atahari'. Margaretha Geertruida "M'greet" Zelle MacLeod (7 August 1876 - 15 October 1917); better known by the stage name Mata Hari; was a Dutch exotic dancer; courtesan; and convicted spy who was executed by firing squad in France under charges of espionage for Germany during World War I.London: Hutchinson & Co. 1920.From: Sidney Theodore Felstead; German Spies at Bay: being an actual record of the German espionage in Great Britain during the years 1914-1918. With illustrations.09083. cc. 58 plate facing page 90London; British Library.