{"id":"S85041975","label":"Electric railroads--Trolley-wheels","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85041975","normalized_label":"electric railroads--trolley-wheels","broader":["http://id.loc.gov/authorities/subjects/sh85146412"],"aliases":["Trolley-wheels"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85041975","provider":"lcsh","revision":"0acb53870965ed06","taxonomy_revision":"f050b5d4780b1289","title":"Electric railroads--Trolley-wheels","url":"/topics/S85041975","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10090469172703282688","address_version":"morton4x16-v1","coordinates":[0,20,18060,56320],"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}