{"id":"S85028061","label":"Collective bargaining--Petroleum industry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85028061","normalized_label":"collective bargaining--petroleum industry","broader":[],"aliases":["Petroleum industry and trade--Collective bargaining"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85028061","provider":"lcsh","revision":"fbf12018960eaee2","taxonomy_revision":"f050b5d4780b1289","title":"Collective bargaining--Petroleum industry","url":"/topics/S85028061","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"902984937685516868","address_version":"morton4x16-v1","coordinates":[0,20,17843,29696],"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}