Columbia subject headings:
World War, 1914-1918--Diplomatic history.
World War, 1914-1918--Territorial questions.
World politics--1900-1918.
Harvard subject headings:
Europe, Eastern--Politics and government--20th century.
Europe--Politics and government--1871-1918.
World War, 1914-1918--Diplomatic history
World War, 1914-1918--Europe, Eastern.
World War, 1914-1918--Territorial questions
Princeton subject headings: