http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 online resource (8 volume) : illustrations, maps.
This multivolume encyclopedia includes articles on countries regions, and ethnic groups, themes involving social history demography, family life, politics, economics, religion, thought education, science and technology, and culture, and events such as major wars.
Includes bibliographical references and index.