http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
trade and industry; trade marks and trade names; trade unions : trade and industry; trade marks and trade names; trade unions : vol.37 : trade and industry; trade marks and trade names; trade unions : vol.37 : editor, A.D. Yonge