{"id":"S85133391","label":"Telephone--Private branch exchanges","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85133391","normalized_label":"telephone--private branch exchanges","broader":["http://id.loc.gov/authorities/subjects/sh85133436","http://id.loc.gov/authorities/subjects/sh85133438"],"aliases":["PBXs (Telephone)","Private branch exchanges (Telephone)","Telephone private branch exchanges"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85133391","provider":"lcsh","revision":"553e4c128dadb688","taxonomy_revision":"f050b5d4780b1289","title":"Telephone--Private branch exchanges","url":"/topics/S85133391","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326735273360753156","address_version":"morton4x16-v1","coordinates":[0,20,19489,15360],"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}