{"id":"S90002297","label":"Merchant Navy Class (Steam locomotives)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh90002297","normalized_label":"merchant navy class (steam locomotives)","broader":["http://id.loc.gov/authorities/subjects/sh95009086"],"aliases":["Bulleid Pacifics (Steam locomotives)","Merchant Navy (Locomotive)","Packets (Steam locomotives)","SR Merchant Navy Class (Steam locomotives)","Spam Cans (Steam locomotives)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh90002297","provider":"lcsh","revision":"8e229fd146aeea1b","taxonomy_revision":"f050b5d4780b1289","title":"Merchant Navy Class (Steam locomotives)","url":"/topics/S90002297","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10143245472131859974","address_version":"morton4x16-v1","coordinates":[0,21,30029,58368],"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}