1. G. Orwell, Inside the Whale and Other Essays, Penguin: London 1962, 64;
2. D. Defoe, The True-Born Englishman, London: J. Roberts, 1716, 11;
3. The Works Of Monsieur De La Bruyere, 2 vols., London: E. Curll et al., 1713, II, 252;
4. J. Priestley, Lectures on History and General Policy, Dublin: P. Byrne, 1788, 446-447;
5. I. Kant, Anthropology, History, and Education, edited by G. Zöller and R.B. Louden, Cambridge: Cambridge University Press, 2007, 407;