{"id":"S2007005102","label":"Rare ferns","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2007005102","normalized_label":"rare ferns","broader":["http://id.loc.gov/authorities/subjects/sh85047836","http://id.loc.gov/authorities/subjects/sh85111466"],"aliases":["Endangered ferns","Threatened ferns"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2007005102","provider":"lcsh","revision":"d3a5094ee4154b8e","taxonomy_revision":"f050b5d4780b1289","title":"Rare ferns","url":"/topics/S2007005102","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13873479417084667488","address_version":"morton4x16-v1","coordinates":[0,478,33246,47104],"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}