{"id":"S85148358","label":"World War, 1939-1945--Chemical warfare","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85148358","normalized_label":"world war, 1939-1945--chemical warfare","broader":[],"aliases":["World War, 1939-1945--Chemistry"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85148358","provider":"lcsh","revision":"430695df4771e256","taxonomy_revision":"f050b5d4780b1289","title":"World War, 1939-1945--Chemical warfare","url":"/topics/S85148358","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290697697424458308","address_version":"morton4x16-v1","coordinates":[0,20,19723,6144],"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}