Columbia subject headings:
Brazil--Politics and government--1945-1954.
Brazil. Departamento Federal de Segurança Pública. Divisão de Polícia Política e Social.
National security--Law and legislation--Brazil.
Police--Brazil--History--20th century.
Harvard subject headings:
Princeton subject headings:
Brazil--Politics and government--1945-1954.
Brazil. Departamento Federal de Segurança Pública. Divisão de Polícia Política e Social
National security--Law and legislation--Brazil.
Police--Brazil--History--20th century.