1. A. Rupert Hall and Marie Boas Hall, Unpublished Scientific Papers of Isaac Newton, Cambridge: University Press 1972, 1978, pp. 139–40.
2. A. R. Hall, “Sir Isaac Newton’s Note-book, 1661–65”, Cambridge Historical Journal, 9 (1948) 239–50.
3. Notably A. E. Burtt, Metaphysical Foundations of Modern Physical Science (1924; revised edn. reprinted London: Routledge & Kegan Paul (1949); A. J. Snow, Matter and Gravitation in Newton’s Physical Philosophy, Oxford: Oxford University Press, 1926.
4. H. More, Democritus Platonissans, (Cambridge: 1646), stanzas 54, 55.
5. H. More, Philosophical Poems (1647), pp. 389–401.