http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Protection of union labels and similar insignia in the District of Columbia
Protection of union labels and similar insignia in D.C
Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed Dec. 2007). Reuse except for individual research requires license from ProQuest, LLC.
ProQuest U.S. Serial Set Digital Collection