Columbia subject headings:
Crime--Political aspects--Spain--País Vasco.
Criminals--Spain--País Vasco--Biography.
Nationalism--Spain--País Vasco--History--20th century.
País Vasco (Spain)--Biography.
País Vasco (Spain)--History--Autonomy and independence movements.
País Vasco (Spain)--Politics and government--20th century.
Harvard subject headings:
Crime--Spain--País Vasco.
Police corruption--Spain--País Vasco.
Political corruption--Spain--País Vasco.
Princeton subject headings: