1. Abricosoff, G.: L’ Hysterie aux XVIIe et XVIIIe siecles, Paris, 1897.
2. Bottomley, F.: Attitudes to the Body in Western Christendom, Lepus Books, London, 1979.
3. Boyle, R.: The Usefulness of Experimental Natural Philosophy, London, 1663.
4. Condorcet, M. (with d’Alembert): Dictionnaire Encyclopedie des mathematiques, Paris, 1789.
5. (Quoted in Cohen, I.: Revolution in Science, Harvard Univ. Press, Cambridge, Mass., 1985, p. 632.)