{"id":"S85021737","label":"Cement clinkers--Etching","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85021737","normalized_label":"cement clinkers--etching","broader":["http://id.loc.gov/authorities/subjects/sh85045046"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85021737","provider":"lcsh","revision":"7b9d9cc3d449ccfd","taxonomy_revision":"f050b5d4780b1289","title":"Cement clinkers--Etching","url":"/topics/S85021737","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547644421412356608","address_version":"morton4x16-v1","coordinates":[0,20,17744,41984],"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}