{"id":"S85122534","label":"Silicones","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85122534","normalized_label":"silicones","broader":["http://id.loc.gov/authorities/subjects/sh85095574","http://id.loc.gov/authorities/subjects/sh89004757"],"aliases":["Organosiloxanes","Siloxane polymers"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85122534","provider":"lcsh","revision":"26a6c73d85c97127","taxonomy_revision":"f050b5d4780b1289","title":"Silicones","url":"/topics/S85122534","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9514065611182179908","address_version":"morton4x16-v1","coordinates":[0,20,19319,38912],"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}