{"id":"S85137916","label":"Trisection of angle","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85137916","normalized_label":"trisection of angle","broader":["http://id.loc.gov/authorities/subjects/sh85054137"],"aliases":["Angle trisection"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85137916","provider":"lcsh","revision":"b1a6c7022d2916f4","taxonomy_revision":"f050b5d4780b1289","title":"Trisection of angle","url":"/topics/S85137916","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126418529004684868","address_version":"morton4x16-v1","coordinates":[0,20,19559,61440],"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}