Columbia subject headings:
Brazil--Politics and government--1930-1945.
Political science--Brazil--History.
Harvard subject headings:
Brazil--Politics and government--1930-1945.
Brazil--Politics and government--1945-1954.
Political science--Brazil--History
Princeton subject headings:
Brazil--Politics and government--1930-1945.
Brazil--Politics and government--1945-1954.
Political science--Brazil--History.