{"id":"S85002826","label":"Airplanes--Heating and ventilation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85002826","normalized_label":"airplanes--heating and ventilation","broader":[],"aliases":["Aircraft heating","Airplanes--Ventilation"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85002826","provider":"lcsh","revision":"5df2a7ddef5a8621","taxonomy_revision":"f050b5d4780b1289","title":"Airplanes--Heating and ventilation","url":"/topics/S85002826","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324404308709884420","address_version":"morton4x16-v1","coordinates":[0,20,17449,10240],"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}