Title: O serviço reservado da Delegacia de Ordem Política e Social de São Paulo na Era Vargas
Subjects: Politics and government, Intelligence service, Authoritarianism, Police, Political crimes and offenses, History, São Paulo (Brazil : State), São Paulo (Brazil : State). Departamento de Ordem Política e Social, Political persecution, Social control, São Paulo (Brazil : State). Delegacia de Ordem Política e Social
Places: Brazil, São Paulo (State)
Time periods: 20th century, 1930-1945