{"id":"S2017004455","label":"Environmental conditions--19th century","description":"Use as a topical subdivision under names of countries, cities, etc.","source_url":"https://id.loc.gov/authorities/subjects/sh2017004455","normalized_label":"environmental conditions--19th century","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2017004455","provider":"lcsh","revision":"3d0a063a849539eb","taxonomy_revision":"f050b5d4780b1289","title":"Environmental conditions--19th century","url":"/topics/S2017004455","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14143708570551600192","address_version":"morton4x16-v1","coordinates":[0,480,58414,39936],"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}