Columbia subject headings:
Brazil--Economic conditions--Congresses.
Brazil--Politics and government--20th century--Congresses.
Prado Júnior, Caio, 1907-1990--Congresses.
Harvard subject headings:
Brazil--Economic conditions--Congresses.
Brazil--Politics and government--20th century--Congresses.
Prado Júnior, Caio, 1907-1990--Congresses.
Princeton subject headings:
Brazil--History--Congresses.
Prado Júnior, Caio, 1907-1990--Congresses.