{"id":"S85110906","label":"Railroad accidents","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85110906","normalized_label":"railroad accidents","broader":["http://id.loc.gov/authorities/subjects/sh94001356"],"aliases":["Collisions, Railroad","Derailments","Rail disasters","Railroad collisions","Railroad trains--Accidents","Railroad wrecks","Railroads--Accidents","Railway accidents","Railway disasters","Train wrecks","Wrecks, Railroad","Wrecks, Train"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85110906","provider":"lcsh","revision":"296d43b5e5cab052","taxonomy_revision":"f050b5d4780b1289","title":"Railroad accidents","url":"/topics/S85110906","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10124303344580297220","address_version":"morton4x16-v1","coordinates":[0,20,19137,59392],"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}