1. 1 Keeley, L. H. (1996). War before Civilization: The Myth of the Peaceful Savage. Oxford University Press, New York, p. 81.
2. 2 Kirkpatrick, D. L. (2021). How Important are Superior Numbers? A Reappraisal of Lanchester’s Square Law. Cambridge University Press, Cambridge, p. 5;
3. Clark, S. (2013). Wearing away the stone: Assessing theories of combat attrition. Comparative Strategy, 32(2), pp. 115–132, p. 116.
4. 3 Lettre 118—De Mme De Sévigné a Mme De Grignan. Lettres de Madame de Sévigné. Firmin Didot, Paris, p. 1846.
5. 4 The success of non-violent mass movements is also associated with the number of their participants. Beissinger, M. R. (2022). The Revolutionary City: Urbanization and the Global Transformation of Rebellion. Princeton University Press, Princeton, pp. 175–180.