{"id":"S85136462","label":"Traction-engines","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85136462","normalized_label":"traction-engines","broader":["http://id.loc.gov/authorities/subjects/sh85002361","http://id.loc.gov/authorities/subjects/sh85043258","http://id.loc.gov/authorities/subjects/sh85127673"],"aliases":["Steam traction engines"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85136462","provider":"lcsh","revision":"bd87f3a747922216","taxonomy_revision":"f050b5d4780b1289","title":"Traction-engines","url":"/topics/S85136462","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326726477330907652","address_version":"morton4x16-v1","coordinates":[0,20,19537,14336],"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}