Columbia subject headings:
Brazil--Politics and government--1945-1954.
Partido Trabalhista Brasileiro--History.
Political parties--Brazil--Rio Grande do Sul (State)--History--20th century.
Rio Grande do Sul (Brazil : State)--Politics and government.
Harvard subject headings:
Brazil--Politics and government--1945-1954.
Partido Trabalhista Brasileiro--History.
Political parties--Brazil--Rio Grande do Sul--History--20th century.
Rio Grande do Sul (Brazil : State)--Politics and government.
Princeton subject headings:
Brazil--Politics and government--1930-1945.
Brazil--Politics and government--1945-1954.
Partido Trabalhista Brasileiro.
Political parties--Brazil--Rio Grande do Sul--History.
Rio Grande do Sul (Brazil : State)--Politics and government.