{"id":"S86007644","label":"Class A4 (Steam locomotives)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh86007644","normalized_label":"class a4 (steam locomotives)","broader":["http://id.loc.gov/authorities/subjects/sh95009086"],"aliases":["A4 (Locomotive)","A4 Class (Steam locomotives)","LNER Class A4 (Steam locomotives)","Streaks (Stream locomotives)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh86007644","provider":"lcsh","revision":"3a40bd16cafc12a7","taxonomy_revision":"f050b5d4780b1289","title":"Class A4 (Steam locomotives)","url":"/topics/S86007644","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5226427384815044100","address_version":"morton4x16-v1","coordinates":[0,20,33149,28672],"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}