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Albert Einstein (2013). “Einstein on Politics: His Private Thoughts and Public Stands on Nationalism, Zionism, War, Peace, and the Bomb”, p.373, Princeton University Press
Speech by Minister of Foreign Affairs of the Netherlands, Maxime Verhagen, at Second Conference on Chemical Weapons Treaty Review, www.government.nl. April 07, 2008.
George Bernard Shaw (2015). “The Collected Plays of George Bernard Shaw (Illustrated): Including Renowned Titles like Pygmalion, Mrs. Warren’s Profession, Candida, Arms and The Man, Man and Superman, The Inca Of Perusalem, Macbeth Skit, Caesar and Cleopatra, Androcles And The Lion”, p.1557, e-artnow