Columbia subject headings:
Europe--Politics and government--20th century.
World War, 1914-1918--Diplomatic history.
World War, 1914-1918--Influence.
World politics--20th century.
Harvard subject headings:
Europe--Politics and government--20th century.
World War, 1914-1918--Diplomatic history
World War, 1914-1918--Influence
World politics--20th century
Princeton subject headings:
Europe--Politics and government--20th century.
World War, 1914-1918--Diplomatic history.
World War, 1914-1918--Influence.
World politics--20th century.