{"id":"S85001334","label":"Aeronautics--Early works to 1900","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85001334","normalized_label":"aeronautics--early works to 1900","broader":[],"aliases":["Aeronautics--Early works to 1800"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85001334","provider":"lcsh","revision":"9436bf6a901d309e","taxonomy_revision":"f050b5d4780b1289","title":"Aeronautics--Early works to 1900","url":"/topics/S85001334","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10090460100658856452","address_version":"morton4x16-v1","coordinates":[0,20,17425,55296],"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}