{"id":"S2010013952","label":"1600 Class (Steam locomotives)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2010013952","normalized_label":"1600 class (steam locomotives)","broader":["http://id.loc.gov/authorities/subjects/sh95009086"],"aliases":["Class 1600 (Steam locomotives)","GWR Class 1600 (Steam locomotives)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2010013952","provider":"lcsh","revision":"e3a2d41372b5d9e1","taxonomy_revision":"f050b5d4780b1289","title":"1600 Class (Steam locomotives)","url":"/topics/S2010013952","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"19210694574614050","address_version":"morton4x16-v1","coordinates":[0,479,14724,0],"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}