Columbia subject headings:
Communism--Brazil.
Communists--Brazil--Biography.
Lima, Joaquim Celso de, 1924-
Syndicalism--Brazil.
Working class--Political activity--Brazil.
Harvard subject headings:
Communism--Brazil
Communists--Brazil--Biography
Lima, Joaquim Celso de, 1924-
Syndicalism--Brazil.
Working class--Political activity--Brazil
Princeton subject headings:
Communism--Brazil.