{"id":"S85067332","label":"Internal combustion engines--Valve gears","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85067332","normalized_label":"internal combustion engines--valve gears","broader":["http://id.loc.gov/authorities/subjects/sh85053623"],"aliases":["Valve gears in internal combustion engines"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85067332","provider":"lcsh","revision":"3ae7a92d153179c9","taxonomy_revision":"f050b5d4780b1289","title":"Internal combustion engines--Valve gears","url":"/topics/S85067332","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290552544709984772","address_version":"morton4x16-v1","coordinates":[0,20,18457,4096],"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}