Columbia subject headings:
Harvard subject headings:
Protest movements--History--20th century.
World War, 1914-1918--Political aspects.
Princeton subject headings:
League of Nations.
Wilson, Woodrow, 1856-1924.
World War, 1914-1918--China.
World War, 1914-1918--East Asia.
World War, 1914-1918--Europe.
World War, 1914-1918--History, Military.