↑ Bollen, K.A. (1992) Political Rights and Political Liberties in Nations: An Evaluation of Human Rights Measures, 1950 to 1984. In: Jabine, T.B. and Pierre Claude, R. "Human Rights and Statistics". University of Pennsylvania Press. ISBN 0812231082
↑ A Dictionary of World History, Market House Books, Oxford University Press, 2000.
↑ Police State (Key Concepts in Political Science), Brian Chapman, Macmillan, 1971.
↑ Schrecker, Ellen (2002). The Age of McCarthyism: A Brief History with Documents (2d ed.). Palgrave Macmillan. ISBN 0-312-29425-5. p. 63–64
↑ Ellen Schrecker, THE AGE OF MCCARTHYISM: A BRIEF HISTORY WITH DOCUMENTS, The State Steps In: Setting the Anti-Communist Agenda, trích "These actions--most important the inauguration of an anti-Communist loyalty-security program for government employees in March 1947 and the initiation of criminal prosecutions against individual Communists--not only provided specific models for the rest of the nation but also enabled the government to disseminate its version of the Communist threat.", Boston: St. Martin's Press, 1994
↑ Ellen Schrecker, THE AGE OF MCCARTHYISM: A BRIEF HISTORY WITH DOCUMENTS, The State Steps In: Setting the Anti-Communist Agenda, trích "Communist defendants were arrested, handcuffed, fingerprinted, and often brought to their trials under guard if they were being held in jail for contempt or deportation.", Boston: St. Martin's Press, 1994
↑ Schrecker, Ellen (1998). Many Are the Crimes: McCarthyism in America. Little, Brown. ISBN 0-316-77470-7. p. 4
