Reasons for continuing the duty of eight pence upon each one hundred and twenty pounds weight of rock-salt without allowing a draw-back upon refining the same by comparing the brine-salt made at Northwitche in Cheshire, with the salt-rock refined at dungeon near Leverpoole in Lancashire ([s.n.], 1697)
Date of publication from Goldsmiths' Lib. cat. - Goldsmiths'-Kress no. 03389. - OCLC, 20885434. - Reproduction of original from Goldsmiths' Library, University of London. - Wing, R488