{"id":"S85074792","label":"Lasers--Mirrors","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85074792","normalized_label":"lasers--mirrors","broader":["http://id.loc.gov/authorities/subjects/sh85085963"],"aliases":["Laser mirrors"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85074792","provider":"lcsh","revision":"82f89d969f433068","taxonomy_revision":"f050b5d4780b1289","title":"Lasers--Mirrors","url":"/topics/S85074792","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547701579843520004","address_version":"morton4x16-v1","coordinates":[0,20,18573,40960],"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}