Columbia subject headings:
Brazil--Politics and government--20th century.
Democracy--Brazil--History--20th century.
Opposition (Political science)--Brazil--History--20th century.
Political participation--Brazil--History--20th century.
Harvard subject headings:
Brazil--Politics and government--20th century.
Democracy--Brazil--History--20th century.
Opposition (Political science)--Brazil--History--20th century.
Political participation--Brazil--History--20th century.
Princeton subject headings:
Brazil--Politics and government--1964-1985.
Government, Resistance to--Brazil--History--20th century.