{"id":"S2002006205","label":"Motors--Cylinder heads","description":"Use as a topical subdivision under individual land vehicles and types of land vehicles.","source_url":"https://id.loc.gov/authorities/subjects/sh2002006205","normalized_label":"motors--cylinder heads","broader":[],"aliases":["Cylinder heads of motors"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2002006205","provider":"lcsh","revision":"44f910d8789aa58c","taxonomy_revision":"f050b5d4780b1289","title":"Motors--Cylinder heads","url":"/topics/S2002006205","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10127478468443775554","address_version":"morton4x16-v1","coordinates":[0,477,20674,62464],"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}