{"id":"S85067323","label":"Internal combustion engines--Ignition","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85067323","normalized_label":"internal combustion engines--ignition","broader":[],"aliases":["Ignition devices"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85067323","provider":"lcsh","revision":"14d5c8ebbbaa6c86","taxonomy_revision":"f050b5d4780b1289","title":"Internal combustion engines--Ignition","url":"/topics/S85067323","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10124311864654840320","address_version":"morton4x16-v1","coordinates":[0,20,18456,60416],"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}