http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Encyclopedia of third parties in America
3 volumes (816 pages) : illustrations, color maps ; 29 cm.
v.1. Third parties in history -- Third-party maps -- American third parties -- v.2. American third parties -- v.3. American third parties -- Biographies.