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3. Aid, Matthew M. and Wiebes, Cees (eds.) (2013) Secrets of Signals Intelligence During the Cold War: From Cold War to Globalization, Abingdon: Routledge.
4. Aldrich, Richard J. (2002) ‘Dangerous Liaison: Post-September 11 Intelligence Alliances,’ Harvard International Review, Vol. XXIV, no. 3, pp. 50–54.
5. Aldrich, Richard J. (2009) ‘Beyond the Vigilant State: Globalisation and Intelligence’, Review of International Studies, Vol. 35, no. 4, pp. 889–902.