Columbia subject headings:
Central Obrera Boliviana--History.
Labor movement--Bolivia--History--20th century.
Labor unions--Bolivia--History--20th century.
Harvard subject headings:
Princeton subject headings:
Bolivia--Politics and government--1952-1982.
Bolivia--Politics and government--1982-2006.
Central Obrera Boliviana.
Labor movement--Bolivia--Political activity.
Labor unions--Bolivia--Political activity.