http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Directory of Labor Unions in the United States National and International Unions State Labor Organizations 1950
Labor Statistics Bureau bulletin 980; Directory of labor unions in United States
Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed Dec. 2009). Reuse except for individual research requires license from ProQuest, LLC.
ProQuest U.S. Serial Set Digital Collection