Columbia subject headings:
Europe, Eastern--Boundaries--History.
Self-determination, National.
World War, 1914-1918--Territorial questions--Europe, Eastern.
Harvard subject headings:
Europe, Eastern--History.
World War, 1914-1918--Europe, Eastern.
Princeton subject headings:
Europe, Eastern--Boundaries--History.
Self-determination, National.
World War, 1914-1918--Territorial questions--Europe, Eastern.