http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
The CD-ROM version of this directory is continued by: The American big business disc.
American big business directory (CD-ROM)
American Business Directories, 5711 S. 86th Circle, POB 27347, Omaha, NB 68127