{"id":"S85115528","label":"Roulettes (Geometry)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85115528","normalized_label":"roulettes (geometry)","broader":["http://id.loc.gov/authorities/subjects/sh85034914"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85115528","provider":"lcsh","revision":"48a38264bb068bce","taxonomy_revision":"f050b5d4780b1289","title":"Roulettes (Geometry)","url":"/topics/S85115528","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324329833972777536","address_version":"morton4x16-v1","coordinates":[0,20,19210,8192],"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}