{"id":"S85127678","label":"Steam-engines--Early works to 1850","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85127678","normalized_label":"steam-engines--early works to 1850","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85127678","provider":"lcsh","revision":"af49aaa49ee13af6","taxonomy_revision":"f050b5d4780b1289","title":"Steam-engines--Early works to 1850","url":"/topics/S85127678","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126555161573852740","address_version":"morton4x16-v1","coordinates":[0,20,19399,63488],"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}