Columbia subject headings:
Brazil--Politics and government--1822-1889.
Brazil--Politics and government--1889-1930.
Brazil--Politics and government--1930-1945.
Harvard subject headings:
Brazil--Politics and government--1822-1889.
Brazil--Politics and government--1889-1930.
Brazil--Politics and government--1930-1945.
Brazil--Politics and government--1945-1954.
Princeton subject headings: