Columbia subject headings:
Nationalism--Spain--País Vasco.
País Vasco (Spain)--History--Autonomy and independence movements.
Harvard subject headings:
Nationalism--Spain--País Vasco
País Vasco (Spain)--History--Autonomy and independence movements.
País Vasco (Spain)--History.
Princeton subject headings:
Nationalism--Spain--País Vasco.
País Vasco (Spain)--History--Autonomy and independence movements.