{"id":"S85078009","label":"Locomotives--Early works to 1850","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85078009","normalized_label":"locomotives--early works to 1850","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85078009","provider":"lcsh","revision":"11518c6e586fd7a5","taxonomy_revision":"f050b5d4780b1289","title":"Locomotives--Early works to 1850","url":"/topics/S85078009","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10124171128244422212","address_version":"morton4x16-v1","coordinates":[0,20,18623,58368],"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}