− | Provides U.S. export and import information on more than 18,000 commodities presented in the Harmonized Tariff Classification System for current month and previous month; cumulative year to date, current year and prior year; and annual two year and historical data. *[http://library.sewanee.edu/passwords/passwords.html Password required] for access. | + | Provides U.S. export and import information on more than 18,000 commodities presented in the Harmonized Tariff Classification System for current month and previous month; cumulative year to date, current year and prior year; and annual two year and historical data. *[https://library.sewanee.edu/passwords/passwords.html Password required] for access. |