{"id":"S91004068","label":"Transition metal hydrides","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh91004068","normalized_label":"transition metal hydrides","broader":["http://id.loc.gov/authorities/subjects/sh85063361","http://id.loc.gov/authorities/subjects/sh85136949"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh91004068","provider":"lcsh","revision":"39b59a36f4d50001","taxonomy_revision":"f050b5d4780b1289","title":"Transition metal hydrides","url":"/topics/S91004068","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13856450428461777474","address_version":"morton4x16-v1","coordinates":[0,21,45682,36864],"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}