"British Novelist John le Carré on the Iraq War, Corporate Power, the Exploitation of Africa and His New Novel, “Our Kind of Traitor”". "Democracy Now" with Amy Goodman, www.democracynow.org. November 25, 2010.
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Jeremy J. Siegel (1998). “Stocks for the Long Run: The Definitive Guide to Financial Market Returns and Long-term Investment Strategies”, McGraw-Hill Companies
"'Michael: ein Deutsches Schicksal in Tagebuchblättern' ('Michael: a German fate in diary notes')". Book by Joseph Goebbels, Zentralverlag der NSDAP, Franz Eher Nachf., Munich, 7th edition, 1935.