1. Fulton, John F., A Bibliography of the Honourable Robert Boyle, second ed., Nos. 13–14 (Oxford, 1961).
2. Tait, P. G., Properties of Matter (Edinburgh, 1885); Proc. Roy. Soc. Edin., 13, 72 (1885).
3. McKie, Douglas, Endeavour, 7, 148 (1948).
4. Webster, C., Nature, 197, 226 (1963).
5. Power, Henry, Experimental Philosophy … containing New Experiments, Microscopical, Mercurial, Magnetical (London, 1664). The part containing the law bears the date 1663.