{"id":"S2002006405","label":"Materials","description":"Use as a topical subdivision under scientific and technical disciplines and under types of equipment and construction.","source_url":"https://id.loc.gov/authorities/subjects/sh2002006405","normalized_label":"materials","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2002006405","provider":"lcsh","revision":"7386b3d32cd82650","taxonomy_revision":"f050b5d4780b1289","title":"Materials","url":"/topics/S2002006405","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"291616882266613314","address_version":"morton4x16-v1","coordinates":[0,477,20678,5120],"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}