{"id":"S2009114586","label":"Air warfare--History--20th century","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009114586","normalized_label":"air warfare--history--20th century","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009114586","provider":"lcsh","revision":"83b56487fb626552","taxonomy_revision":"f050b5d4780b1289","title":"Air warfare--History--20th century","url":"/topics/S2009114586","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"612630571923170918","address_version":"morton4x16-v1","coordinates":[0,479,671,26624],"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}