Columbia subject headings:
Brazil--History--1945-1954--Sources.
Brazil--History--1954-1964--Sources.
Communism--Brazil--Paraná (State)--History--Sources.
Communists--Brazil--Paraná (State)--Interviews.
Partido Comunista Brasileiro--History--Sources.
Harvard subject headings:
Communism--Brazil--Paraná (State)--History.
Communists--Brazil--Paraná (State)--Interviews.
Partido Comunista Brasileiro--History.
Princeton subject headings:
Communism--Brazil--Paraná (State)--History.
Communists--Brazil--Paraná (State)--Interviews.
Interviews.
Partido Comunista Brasileiro--History.