{"id":"S85111702","label":"Ready-reckoners","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85111702","normalized_label":"ready-reckoners","broader":["http://id.loc.gov/authorities/subjects/sh85018308"],"aliases":["Computing tables","Tables, Computing","Tables, Mathematical"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85111702","provider":"lcsh","revision":"5c05845a4e2231d7","taxonomy_revision":"f050b5d4780b1289","title":"Ready-reckoners","url":"/topics/S85111702","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867154310520260160","address_version":"morton4x16-v1","coordinates":[0,20,19150,22528],"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}