{"id":"S2009114738","label":"Aluminum alloys--Congresses","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009114738","normalized_label":"aluminum alloys--congresses","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009114738","provider":"lcsh","revision":"b24d5b0284ae22fd","taxonomy_revision":"f050b5d4780b1289","title":"Aluminum alloys--Congresses","url":"/topics/S2009114738","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9799973811762897446","address_version":"morton4x16-v1","coordinates":[0,479,673,51200],"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}