A pocket companion for Harrowgate spaw, or, A particular Account of the several Medicinal Springs at, or near that Place. Shewing Their different Nature and Uses towards restoring Health and Strength. With directions how to Use the waters with Advantage. Publish'd originally by J. French, M.D. and Now revis'd by One who has received great Benefit by using the Waters - French, John 1616-1657 (printed by P. Darby, for J. Wood, in Ive-Gate, Bradford, 1760)