{"id":"S97000066","label":"Optical illusions in art","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh97000066","normalized_label":"optical illusions in art","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh97000066","provider":"lcsh","revision":"abaec60333983f95","taxonomy_revision":"f050b5d4780b1289","title":"Optical illusions in art","url":"/topics/S97000066","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"18155136069288546","address_version":"morton4x16-v1","coordinates":[0,23,8298,2048],"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}