{"id":"S85011225","label":"Ballad operas","description":"Here are entered musical compositions. Works about ballad opera are entered under the heading [Ballad opera.]","source_url":"https://id.loc.gov/authorities/subjects/sh85011225","normalized_label":"ballad operas","broader":["http://id.loc.gov/authorities/subjects/sh85094914"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85011225","provider":"lcsh","revision":"62f3f1b36c72bf3d","taxonomy_revision":"f050b5d4780b1289","title":"Ballad operas","url":"/topics/S85011225","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900733120691717632","address_version":"morton4x16-v1","coordinates":[0,20,17580,25600],"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}