Columbia subject headings:
Europe--Politics and government--1989-
European federation.
Post-communism--Europe, Central.
Post-communism--Europe, Eastern.
Harvard subject headings:
Europe--Politics and government--1989-
Post-communism--Europe, Central
Post-communism--Europe, Eastern
Princeton subject headings:
Europe--Politics and governments--1989-.
Post-communism--Europe, Central.
Post-communism--Europe, Eastern.