Columbia subject headings:
Europe, Central--Civilization.
Europe, Central--Politics and government.
Europe, Central.
Europe, Eastern--Civilization.
Europe, Eastern--Politics and government.
Harvard subject headings:
Europe, Central--Civilization.
Europe, Central--Handbooks, manuals, etc.
Europe, Central--Politics and government.
Europe, Central.
Europe, Eastern--Civilization.
Europe, Eastern--Politics and government.
Princeton subject headings:
Europe, Central.