Columbia subject headings:
Nationalism--Spain--País Vasco--History--21st century.
País Vasco (Spain)--Politics and government--21st century.
Harvard subject headings:
Nationalism--Spain--País Vasco--History--21st century.
País Vasco (Spain)--Politics and government--21st century.
Princeton subject headings:
País Vasco (Spain)--History--Autonomy and independence movements.
Self-determination, National--Spain--País Vasco.