{"id":"S85139038","label":"Twin-lens cameras","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85139038","normalized_label":"twin-lens cameras","broader":["http://id.loc.gov/authorities/subjects/sh85019133"],"aliases":["Reflex cameras","Twin-lens reflex cameras"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85139038","provider":"lcsh","revision":"500fbd4345a2c2b7","taxonomy_revision":"f050b5d4780b1289","title":"Twin-lens cameras","url":"/topics/S85139038","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903187229638541828","address_version":"morton4x16-v1","coordinates":[0,20,19577,30720],"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}