{"id":"S85094937","label":"Operas--First performances","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85094937","normalized_label":"operas--first performances","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85094937","provider":"lcsh","revision":"5b0f8cb09e74f1a7","taxonomy_revision":"f050b5d4780b1289","title":"Operas--First performances","url":"/topics/S85094937","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900799108632166912","address_version":"morton4x16-v1","coordinates":[0,20,18888,25600],"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}