{"id":"S2023000012","label":"Railroad accidents--Pennsylvania","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2023000012","normalized_label":"railroad accidents--pennsylvania","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2023000012","provider":"lcsh","revision":"53f3929a598a60f4","taxonomy_revision":"f050b5d4780b1289","title":"Railroad accidents--Pennsylvania","url":"/topics/S2023000012","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"327637156931847268","address_version":"morton4x16-v1","coordinates":[0,482,21023,12288],"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}