{"id":"S85028069","label":"Collective bargaining--Railroads","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85028069","normalized_label":"collective bargaining--railroads","broader":[],"aliases":["Railroads--Collective bargaining"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85028069","provider":"lcsh","revision":"e178bebcca8da91e","taxonomy_revision":"f050b5d4780b1289","title":"Collective bargaining--Railroads","url":"/topics/S85028069","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9513867425217905220","address_version":"morton4x16-v1","coordinates":[0,20,17843,37888],"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}