{"id":"S2006002572","label":"Optical spectroscopy","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2006002572","normalized_label":"optical spectroscopy","broader":["http://id.loc.gov/authorities/subjects/sh85126423"],"aliases":["Spectroscopy, Optical","Visible spectroscopy"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2006002572","provider":"lcsh","revision":"d624cf027c5bc857","taxonomy_revision":"f050b5d4780b1289","title":"Optical spectroscopy","url":"/topics/S2006002572","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326515381269325408","address_version":"morton4x16-v1","coordinates":[0,478,17582,12288],"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}