Heydon, John(1629-67). The Holy Guide: Leading the Way to the Wonder of the World. (A compleat Phisitian) teaching the Knowledge of all things, Past, Present, and to Come; viz. Of Pleasure, long Life, Health, Youth, Blessedness, Wisdome and Virtue; and to Cure, Change and Remedy all Diseases in Young and Old. With Rosie Crucian Medicines, which are verified by a Practical Examination of Principles in the great World, and fitted for the easie understanding, plain practice, use, and benefit of mean Capacities. London: Ptd. by T.M, 1662.