{"id":"S2008002720","label":"Class 20 (Diesel locomotives)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2008002720","normalized_label":"class 20 (diesel locomotives)","broader":["http://id.loc.gov/authorities/subjects/sh85037816"],"aliases":["Bachmann Class 20 (Diesel locomotives)","British Rail Class 20 (Diesel locomotives)","Choppers (Diesel locomotives)","Class 20 (Diesel locomotive)","English Electric Type 1 (Diesel locomotives)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2008002720","provider":"lcsh","revision":"7f023c2e97cb57f0","taxonomy_revision":"f050b5d4780b1289","title":"Class 20 (Diesel locomotives)","url":"/topics/S2008002720","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13854273405668434528","address_version":"morton4x16-v1","coordinates":[0,478,48834,32768],"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}