1. Bush, George H. W. (1989): Inaugural Address, January 20, 1989.
2. Clinton, Bill (1993): Remarks at the American University Centennial Celebration. February 26, 1993. (Clinton 1993)
3. Clinton, Bill (1995): Address to the UN General Assembly. October 22, 1995.
4. NATO (1996): To the People of Detroit. Speech by Bill Clinton. October 22, 1996.
5. Fukuyama, Francis (2006): The End of History and the Last Man. Free Press, New York, NY, [1992].