A free trade essential to the welfare of Great Britain, or, An inquiry into the cause of the present distressed state of the country, and the consequent increase of pauperism, misery and crime : to which are added some observations on two letters to the Right Hon. Robert Peel, M.P., by one of his constituents : the first on the pernicious effects of a variable standard of value : the second on the causes of the increase of pauperism, &c.