{"id":"S2001008906","label":"Spectra","description":"Use as a topical subdivision under individual chemicals and groups of chemicals, individual materials and types of materials, elementary particles, and celestial bodies.","source_url":"https://id.loc.gov/authorities/subjects/sh2001008906","normalized_label":"spectra","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2001008906","provider":"lcsh","revision":"8fce19bbd7f0bdda","taxonomy_revision":"f050b5d4780b1289","title":"Spectra","url":"/topics/S2001008906","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"37295736777483778","address_version":"morton4x16-v1","coordinates":[0,477,5092,10240],"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}