Columbia subject headings:
Police, Black--Brazil--Rio de Janeiro--History.
Rio de Janeiro (Brazil)--Armed Forces--Military police--History.
Rio de Janeiro (Brazil)--Race relations--History.
Harvard subject headings:
Brazil--Armed Forces--Military police--History.
Military police--Brazil--History.
Military police--History.
Police, Black--Brazil--Rio de Janeiro--History.
Rio de Janeiro (Brazil)--Race relations--History.
Princeton subject headings:
Brazil--Armed Forces--Military police--History.
Military police--Brazil--History.
Police, Black--Brazil--Rio de Janeiro--History.
Rio de Janeiro (Brazil)--Race relations--History.