{"id":"S99002410","label":"Audio-visual aids","description":"Use as a topical subdivision under topical headings for works on audiovisual materials not specifically designed for educational purposes.","source_url":"https://id.loc.gov/authorities/subjects/sh99002410","normalized_label":"audio-visual aids","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh99002410","provider":"lcsh","revision":"78adae4059459394","taxonomy_revision":"f050b5d4780b1289","title":"Audio-visual aids","url":"/topics/S99002410","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13872424134396477986","address_version":"morton4x16-v1","coordinates":[0,23,39584,43008],"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}