1. Chaucer, G. (1960) The prologue. In The Canterbury Tales (translated into modern English by Nevill Coghill), pp. 17–40, Penguin Books, Harmondsworth, Middlesex
2. Earles, M.P. (1996) Hall's prescriptions. In John Hall and His Patients (Lane, J., ed.), pp. xxxi–xl, The Shakespeare Birthplace Trust
3. Ideas about the body;Rawcliffe,1995
4. Charras, M. (1678) First part. Chapter X. Of the vertue (sic) of medicaments. In The Royal Pharmacopoea, Galenical and Chymical According to the Practice of the Most Eminent and Learned Physitians (sic) of France and Publish'd with their Several Approbations (Faithfully Englished), pp. 7–8, Printed for John Starkey and Moses Pitt (Moses Charras was Louis XIV's ‘Chief Operator in his Royal Garden of Plants’.)
5. Woodall, J. (1617) Of the medicines and their uses. In The Surgions (sic) Mate (Lisle, L., ed.) [Facsimile edition by John Kirkup (1978)], pp 40–125, Kingsmead Press