{"id":"S85038104","label":"Diodes, Electron-tube","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85038104","normalized_label":"diodes, electron-tube","broader":["http://id.loc.gov/authorities/subjects/sh85042239"],"aliases":["Electron-tube diodes","Vacuum-tube diodes"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85038104","provider":"lcsh","revision":"8abb3514cb281400","taxonomy_revision":"f050b5d4780b1289","title":"Diodes, Electron-tube","url":"/topics/S85038104","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900724598466019840","address_version":"morton4x16-v1","coordinates":[0,20,18000,24576],"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}