{"id":"S85115325","label":"Roofing, Iron and steel","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85115325","normalized_label":"roofing, iron and steel","broader":["http://id.loc.gov/authorities/subjects/sh2001003088","http://id.loc.gov/authorities/subjects/sh85017713"],"aliases":["Iron roofing","Steel roofing"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85115325","provider":"lcsh","revision":"28bfd495040bee62","taxonomy_revision":"f050b5d4780b1289","title":"Roofing, Iron and steel","url":"/topics/S85115325","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126423219037668928","address_version":"morton4x16-v1","coordinates":[0,20,19206,62464],"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}