{"id":"S85028044","label":"Collective bargaining--Iron industry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85028044","normalized_label":"collective bargaining--iron industry","broader":[],"aliases":["Iron industry and trade--Collective bargaining"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85028044","provider":"lcsh","revision":"d4d71ef147ad543a","taxonomy_revision":"f050b5d4780b1289","title":"Collective bargaining--Iron industry","url":"/topics/S85028044","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326515389289071172","address_version":"morton4x16-v1","coordinates":[0,20,17843,12288],"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}