{"id":"S2009008161","label":"Class 17 (Diesel locomotives)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009008161","normalized_label":"class 17 (diesel locomotives)","broader":["http://id.loc.gov/authorities/subjects/sh85037816"],"aliases":["British Rail Class 17 (Diesel locomotives)","Clayton Type 1 (Diesel locomotives)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009008161","provider":"lcsh","revision":"79f3be900805e440","taxonomy_revision":"f050b5d4780b1289","title":"Class 17 (Diesel locomotives)","url":"/topics/S2009008161","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14142512301898605088","address_version":"morton4x16-v1","coordinates":[0,478,64544,33792],"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}