{"id":"S85129440","label":"Subject headings--Metallurgy","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85129440","normalized_label":"subject headings--metallurgy","broader":[],"aliases":["Metallurgy--Subject headings"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85129440","provider":"lcsh","revision":"547524838e3d64ed","taxonomy_revision":"f050b5d4780b1289","title":"Subject headings--Metallurgy","url":"/topics/S85129440","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9511673074953617988","address_version":"morton4x16-v1","coordinates":[0,20,19427,32768],"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}