{"id":"S2019001868","label":"Tariff on mercury","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2019001868","normalized_label":"tariff on mercury","broader":[],"aliases":["Mercury--Tariff"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2019001868","provider":"lcsh","revision":"e8f5005b5de86f2a","taxonomy_revision":"f050b5d4780b1289","title":"Tariff on mercury","url":"/topics/S2019001868","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"327711923722534914","address_version":"morton4x16-v1","coordinates":[0,481,24088,12288],"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}