Columbia subject headings:
Nationalism--Europe--History.
Radicalism--Europe--History.
Right and left (Political science)--Europe--History.
Right-wing extremists--Europe--History.
Harvard subject headings:
Europe--Politics and government--21st century.
Right-wing extremists--Europe
Princeton subject headings:
Nationalism--Europe--History.
Radicalism--Europe--History.
Right and left (Political science)--Europe--History.
Right-wing extremists--Europe--History.