Columbia subject headings:
ETA (Organization)--History.
Labor unions--Spain--History.
País Vasco (Spain)--Politics and government.
Rural conditions.
Spain--Armed Forces--Political activity--History.
Spain--Politics and government--1939-1975.
Harvard subject headings:
ETA (Organization)--History.
Labor unions--Spain--History
País Vasco (Spain)--Politics and government.
Rural conditions.
Spain--Armed Forces--Political activity--History.
Spain--Politics and government--1939-1975.
Princeton subject headings: