1. Ashworth, L. M. (1999). Creating International Studies. Angell, Mitrany and the Liberal Tradition. Aldershot: Ashgate.
2. Ashworth, L. (2014). A History of International Thought. From the Origins of the Modern State to Academic International Relations. New York/London: Routledge.
3. Barry, N. P. (1987). On Classical Liberalism and Libertarianism. New York: St. Martin’s Press.
4. Bauer, P. T. (1971). Dissent on Development. Studies and Debates in Development Economics. London: Weidenfeld and Nicolson.
5. Bauer, P. T., & Yamey, B. S. (1957). The Economics of Under-Developed Countries. Cambridge: Cambridge University Press.