The twenty-third edition, revised, of an essay, on the nature and cure of scrophulous disorders [electronic resource] : Commonly called the king's evil; deduced from long observation and practice. With additions. And above sixty cases; the remedies in them used and occasional remarks. To which is prefixed, a coloured plate of the herb vervain, and its root. Published for the good of mankind; particularly the common people. By John Morley, Esq. of Halstead in Essex.