{"id":"S85068223","label":"Iron oxides--Magnetic properties","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85068223","normalized_label":"iron oxides--magnetic properties","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85068223","provider":"lcsh","revision":"d78148d777902346","taxonomy_revision":"f050b5d4780b1289","title":"Iron oxides--Magnetic properties","url":"/topics/S85068223","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126563664472442432","address_version":"morton4x16-v1","coordinates":[0,20,18470,64512],"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}