{"id":"S85109085","label":"Punched card systems","description":"This heading may be further subdivided by subject, e.g. [Punched card systems--Chemistry.]","source_url":"https://id.loc.gov/authorities/subjects/sh85109085","normalized_label":"punched card systems","broader":["http://id.loc.gov/authorities/subjects/sh85020166","http://id.loc.gov/authorities/subjects/sh85029505","http://id.loc.gov/authorities/subjects/sh85029541","http://id.loc.gov/authorities/subjects/sh85064867","http://id.loc.gov/authorities/subjects/sh85066163","http://id.loc.gov/authorities/subjects/sh85066289","http://id.loc.gov/authorities/subjects/sh85131829"],"aliases":["Codes for punched card systems","Data processing","Perforated card systems","Punch-card systems","Punched card systems--Business"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85109085","provider":"lcsh","revision":"c6e1f2c979a85b88","taxonomy_revision":"f050b5d4780b1289","title":"Punched card systems","url":"/topics/S85109085","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903051166080960004","address_version":"morton4x16-v1","coordinates":[0,20,19109,29696],"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}