Columbia subject headings:
Harvard subject headings:
Brazil--Politics and government--1954-1964--Periodicals.
Brazil--Politics and government--1964-1985--Periodicals.
Brazil--Politics and government--1985---Periodicals.
Communication--Brazil--Periodicals
Latin America--Politics and government--1980---Periodicals.
Princeton subject headings:
Communication in politics--Periodicals.
Communication--Latin America--Periodicals.
Political science--Latin America--Periodicals.