Columbia subject headings:
Aliança Nacional Libertadora (Brazil)--History.
Brazil--Politics and government--1930-1945.
Partido Comunista do Brasil--History.
Harvard subject headings:
Aliança Nacional Libertadora (Brazil)--History.
Brazil--Politics and government--1930-1945.
Partido Comunista do Brasil--History.
Princeton subject headings:
Aliança Nacional Libertadora (Brazil)--History.
Brazil--Politics and government--20th century.
Partido Comunista do Brasil--History.