{"id":"S2020000638","label":"Motor vehicles--Catalytic converters","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2020000638","normalized_label":"motor vehicles--catalytic converters","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2020000638","provider":"lcsh","revision":"a0084f3a42d2893e","taxonomy_revision":"f050b5d4780b1289","title":"Motor vehicles--Catalytic converters","url":"/topics/S2020000638","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14451136711777862662","address_version":"morton4x16-v1","coordinates":[0,481,39693,63488],"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}