Title: The Era of violence
Subjects: World War (1914-1918) fast (OCoLC)fst01180746, World War, 1914-1918, Histoire universelle, World politics, History, Revolution (Soviet Union : 1917-1921) fast (OCoLC)fst01907572
Places: United States, India, Southeast Asia, East Asia, Soviet Union
Time periods: Revolution, 1917-1921, 20e siècle