Columbia subject headings:
Brazil--Politics and government--20th century.
Elections--Brazil--Pernambuco.
Pernambuco (Brazil)--Politics and government.
Political parties--Brazil--Pernambuco--History.
Harvard subject headings:
Brazil--Politics and government--20th century.
Elections--Brazil--Pernambuco.
Pernambuco (Brazil)--Politics and government.
Political parties--Brazil--Pernambuco--History.
Princeton subject headings:
Political parties--Brazil--Pernambuco.