{"id":"S85002697","label":"Air sacs (Bird anatomy)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85002697","normalized_label":"air sacs (bird anatomy)","broader":["http://id.loc.gov/authorities/subjects/sh96009679"],"aliases":["Air-sacs (of birds)","Sacs, Air (Bird anatomy)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85002697","provider":"lcsh","revision":"c1f3c091815d85f4","taxonomy_revision":"f050b5d4780b1289","title":"Air sacs (Bird anatomy)","url":"/topics/S85002697","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324272367314536004","address_version":"morton4x16-v1","coordinates":[0,20,17447,9216],"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}