1. Aldrich, Richard, The Hidden Hand: Britain, America and Cold War Secret Intelligence (London: John Murray, 2002)
2. Andrew, Christopher & Oleg Gordievsky, KGB: The Inside Story (London: Hodder & Stoughton, 1990)
3. Andrew, Christopher & Vasili Mitrokhin, The Mitrokhin Archive: The KGB in Europe and the West (London: Penguin, 1999)
4. Andrew, Christopher & Vasili Mitrokhin, The KGB and the World (London: Allen Lane, 2005)
5. Collm, Steve, Ghost Wars: The Secret History of the CIA, Afghanistan and Bin Laden, from the Soviet Invasion to September, 10, 2001 (London: Penguin, 2004)