{"id":"S2009128284","label":"Labor unions--United States--History","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009128284","normalized_label":"labor unions--united states--history","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009128284","provider":"lcsh","revision":"0e2f499e301d24d5","taxonomy_revision":"f050b5d4780b1289","title":"Labor unions--United States--History","url":"/topics/S2009128284","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"614741650425914918","address_version":"morton4x16-v1","coordinates":[0,479,885,28672],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}