Columbia subject headings:
Harvard subject headings:
Europe, Central--Politics and government--Congresses.
Europe, Eastern--Politics and government--Congresses.
Europe--Economic integration--Congresses.
European Union--Europe, Central--Congresses.
European Union--Europe, Eastern--Congresses.
Post-communism--Europe, Eastern--Congresses
Post-communism--Europe--Congresses.
Princeton subject headings:
Europe--Economic integration--Congresses.
European Union--Europe, Eastern--Congresses.
Post-communism--Europe, Eastern--Congresses.
Post-communism--Europe--Congresses.