Columbia subject headings:
Nationalism--Spain--País Vasco.
País Vasco (Spain)--Politics and government.
País Vasco (Spain)--Social conditions.
Violence--Spain--País Vasco.
Harvard subject headings:
Nationalism--Spain--País Vasco--History
País Vasco (Spain)--History--Autonomy and independence movements.
País Vasco (Spain)--Politics and government.
Violence--Spain--País Vasco--History.
Princeton subject headings:
Nationalism--Spain--País Vasco--History.
País Vasco (Spain)--History--Autonomy and independence movements.
País Vasco (Spain)--Politics and government.
Violence--Spain--País Vasco--History.