{"id":"S92000231","label":"Air defenses--Canada","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh92000231","normalized_label":"air defenses--canada","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh92000231","provider":"lcsh","revision":"10b76893eb9906b2","taxonomy_revision":"f050b5d4780b1289","title":"Air defenses--Canada","url":"/topics/S92000231","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14143779222191490630","address_version":"morton4x16-v1","coordinates":[0,21,61247,39936],"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}