1. Vital, D. (1967). The Inequality of States. A Study of Small Power in International Relations. Oxford: Oxford University Press, p. 4.
2. Rothstein, R. L. (1968). Alliances and Small Powers. New York: Columbia University Press, p. 27.
3. Die Groβe Politik der europäischen Kabinette 1871–1914 (Vol. 2, pp. 86–87), (21 October and 2 November 1876) Berlin; See Kennan, G. F. (1979). The Decline of Bismarck’s European Order: Franco-Russian Relations, 1875–1890. Princeton, NJ: Princeton University Press, pp. 76–79.
4. Aron, R. (1976). The Crisis of European Idea. Government and Opposition, 11 (1), 5–19.
5. From ‘The Second Coming’ a poem composed by William Butler Yeats in 1919 and printed in the 1921 collection of verses titled Michael Robartes and the Dancer. See Yeats, W. B. (1970). Michael Robartes and the Dancer. Shannon: Irish University Press.