Tariff, or rates of duties payable on goods, wares and merchandise : imported into the United States of America, after the first day of January, 1838, until December 31st, 1839 : with the rates of duty of the tariff of 1828 : to which are added, forms for the directing of merchants, masters of vessels, and others doing business at the Custom House : and, an appendix, containing several important laws of the United States and state of New-York, relating to commerce /