{"id":"S85128509","label":"Strategic materials","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85128509","normalized_label":"strategic materials","broader":["http://id.loc.gov/authorities/subjects/sh85082065","http://id.loc.gov/authorities/subjects/sh85085264","http://id.loc.gov/authorities/subjects/sh85111583"],"aliases":["Critical materials"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85128509","provider":"lcsh","revision":"b17548646ca3a667","taxonomy_revision":"f050b5d4780b1289","title":"Strategic materials","url":"/topics/S85128509","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126423220178781696","address_version":"morton4x16-v1","coordinates":[0,20,19412,62464],"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}