{"id":"S97002450","label":"Cantus firmus","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh97002450","normalized_label":"cantus firmus","broader":["http://id.loc.gov/authorities/subjects/sh85033444"],"aliases":["Cantus prius factus"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh97002450","provider":"lcsh","revision":"19ee3e48ca024782","taxonomy_revision":"f050b5d4780b1289","title":"Cantus firmus","url":"/topics/S97002450","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"594615889375151718","address_version":"morton4x16-v1","coordinates":[0,23,8335,18432],"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}