{"id":"S85107489","label":"Propellers, Aerial","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85107489","normalized_label":"propellers, aerial","broader":["http://id.loc.gov/authorities/subjects/sh85001319","http://id.loc.gov/authorities/subjects/sh85049596"],"aliases":["Aerial propellers","Aerial screws","Air propellers","Airplanes--Propellers","Airscrews","Screws, Aerial"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85107489","provider":"lcsh","revision":"c0c73d8711464cb0","taxonomy_revision":"f050b5d4780b1289","title":"Propellers, Aerial","url":"/topics/S85107489","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9511681853795485184","address_version":"morton4x16-v1","coordinates":[0,20,19084,33792],"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}