Columbia subject headings:
Communism--Brazil--History.
Dialectical materialism.
Marx, Karl, 1818-1883.
Philosophy, Marxist--Brazil.
Harvard subject headings:
Communism--Brazil--History
Dialectical materialism.
Marx, Karl, 1818-1883
Philosophy, Marxist--Brazil.
Princeton subject headings:
Communism--Brazil.
Dialectical materialism.
Marx, Karl, 1818-1883--Influence.
Philosophy, Marxist--Brazil.