http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
The Economist Historical Archive delivers a complete searchable copy of every issue of The Economist from 1843 to 2020. New full-colour images, multiple search indexes, exportable financial tables and a gallery of front covers highlighting a key topic of each week - all combine to offer a primary source of research covering the 19th, 20th and 21st centuries. The Economist Historical Archive complements the Times Digital Archive also available from Gale/Cengage Learning.