{"id":"S85060742","label":"High-speed aeronautics","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85060742","normalized_label":"high-speed aeronautics","broader":["http://id.loc.gov/authorities/subjects/sh85001319"],"aliases":["Aeronautics, High-speed","High-speed flight","Supersonic aeronautics"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85060742","provider":"lcsh","revision":"7a512682ec75ded6","taxonomy_revision":"f050b5d4780b1289","title":"High-speed aeronautics","url":"/topics/S85060742","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290627604636369472","address_version":"morton4x16-v1","coordinates":[0,20,18354,6144],"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}