Columbia subject headings:
Elections--European Union countries.
European Parliament--Elections, 2009.
European Union countries--Politics and government--21st century.
European Union.
Harvard subject headings:
Elections--European Union countries--Congresses.
European Parliament--Elections, 2009--Congresses.
European Union countries--Politics and government--21st century--Congresses.
European Union--Congresses.
Princeton subject headings:
Elections--European Union countries.
European Parliament--Elections, 2009.
European Union countries--Politics and government--21st century.
European Union.