1. For a discussion of witterung, see David Oldroyd, “Some phlogistic mineral schemes”, Annals of Science 31 (1974), pp. 269–305, as well as John A. Norris, “Early theories of aqueous mineral genesis in the Sixteenth Century”, Ambix 18 (2007), pp. 69–86.
2. N.G. Coley, “Cures without care: ‘Chemical Physicians’ and mineral water in Seventeenth-Century England”, Medical History 23 (1979), pp. 191–214, on p. 197.
3. Johann Glauber, The Works of the Highly Experienced and Famous Johann Glauber, ed. Christopher Packe (London: Thomas Milburn, 1689), p. 121; Kathleen Winnifred Fowler Ahonen, “Johann Rudolph Glauber: A Study of Animism in Seventeenth-Century Chemistry”, Ph.D. Diss. (University of Michigan, 1971), p. 135; see as well Carolyn Merchant, The Death of Nature: Women, Ecology and the Scientific Revolution (San Francisco: Harper San Francisco, 1990), pp. 25–41 for a discussion of the maturation of metals.
4. Ahonen, “Johann Rudolph Glauber: a study of animism in Seventeenth-Century Chemistry”, p. 105.
5. Anna Marie Roos, The Salt of the Earth: Natural Philosophy, Medicine, and Chymistry in England 1650–1750 (Leiden: Brill, 2007), pp. 42–45.