{"id":"S85042181","label":"Electromagnetic waves--Polarization","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85042181","normalized_label":"electromagnetic waves--polarization","broader":["http://id.loc.gov/authorities/subjects/sh85104155"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85042181","provider":"lcsh","revision":"334c2e6d8885a1d4","taxonomy_revision":"f050b5d4780b1289","title":"Electromagnetic waves--Polarization","url":"/topics/S85042181","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290495646056972800","address_version":"morton4x16-v1","coordinates":[0,20,18064,5120],"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}