Columbia subject headings:
Brazil--Politics and government--1930-1945.
Brazil--Politics and government--1954-1964.
Partido Social Democrático (Brazil)--History.
Harvard subject headings:
Brazil--Politics and government--1930-1945.
Brazil--Politics and government--1945-1954.
Brazil--Politics and government--1954-1964.
Partido Social Democrático (Brazil)--History.
Princeton subject headings:
Brazil--Politics and government--1945-1954.
Brazil--Politics and government--1954-1964.
Partido Social Democrático (Brazil)--History.