^Ward, Steven R. Immortal, Updated Edition: A Military History of Iran and Its Armed Forces. Georgetown University Press. 2014. ISBN 9781626160651., p.123: "As the Great War came to its close in the fall of 1918, Iran's plight was woeful. The war had created an economic catastrophe, invading armies had ruined farmland and irrigation works, crops and livestock were stolen or destroyed, and peasants had been taken from their fields and forced to serve as laborers in the various armies. Famine killed as many as two million Iranians out of a population of little more than ten million while an influenza pandemic killed additional tens of thousands."
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