http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
3 volumes : illustrations, color maps ; 28 cm.
v. 1. The economy, statistical system, and basic data -- v. 2. The economic sectors, agriculture, industry, energy, transport, and external trade and finance -- v. 3. The social sectors, population, health, nutrition, and education.