Columbia subject headings:
Harvard subject headings:
Elections--France--Île-de-France--History--21st century.
Île-de-France (France)--Politics and government--21st century.
Political parties--France--Île-de-France--History--21st century.
Voting research--France.
Princeton subject headings:
Elections--France--Île-de-France--History--21st century.
Île-de-France (France)--Politics and government--21st century.
Political parties--France--Île-de-France--History--21st century.
Voting research--France.