{"id":"S85111447","label":"Rare earth borides","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85111447","normalized_label":"rare earth borides","broader":["http://id.loc.gov/authorities/subjects/sh85015849","http://id.loc.gov/authorities/subjects/sh85111455"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85111447","provider":"lcsh","revision":"389709cea7e2f82c","taxonomy_revision":"f050b5d4780b1289","title":"Rare earth borides","url":"/topics/S85111447","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867163106613281344","address_version":"morton4x16-v1","coordinates":[0,20,19146,23552],"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}