{"id":"S2009113852","label":"Aeronautics, Commercial--United States--History","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009113852","normalized_label":"aeronautics, commercial--united states--history","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009113852","provider":"lcsh","revision":"4f350012ce95e937","taxonomy_revision":"f050b5d4780b1289","title":"Aeronautics, Commercial--United States--History","url":"/topics/S2009113852","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9838113671103259238","address_version":"morton4x16-v1","coordinates":[0,479,659,61440],"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}