http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
"International harmonized system, commodity classification (HS-based schedule B) by country, by customs district."
Written in ISO 9660 and dBase III format.
System requirements: IBM-compatible microcomputer; DVD drive.
Cumulated by: U.S. exports history (DVD-ROM).
Some data also included on: USA trade online.
U.S. Dept. of Commerce, Economics and Statistics Administration, Bureau of the Census, Washington, DC 20233