{"id":"S85076744","label":"Librettos","description":"Here are entered miscellaneous collections of librettos. Collections of librettos limited to a specific form of dramatic music are entered under that form, e.g. [Operas--Librettos; Oratorios--Librettos.] Works on the history and criticism of the libretto and on libretto writing are entered under the heading [Libretto.]","source_url":"https://id.loc.gov/authorities/subjects/sh85076744","normalized_label":"librettos","broader":["http://id.loc.gov/authorities/subjects/sh87002062"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85076744","provider":"lcsh","revision":"f9ad11b77bae7b16","taxonomy_revision":"f050b5d4780b1289","title":"Librettos","url":"/topics/S85076744","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324329542992938496","address_version":"morton4x16-v1","coordinates":[0,20,18604,8192],"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}