http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Also available via Internet from the NHTSA/DOT web site. Address as of 9/15/03: http://www.nhtsa.dot.gov/people/injury/alcohol/IDPToolKit/IDPToolkit.pdf; current access available via PURL.