{"id":"S2002006230","label":"Phonology, Historical","description":"Use as a topical subdivision under individual languages and groups of languages.","source_url":"https://id.loc.gov/authorities/subjects/sh2002006230","normalized_label":"phonology, historical","broader":[],"aliases":["Historical phonology"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2002006230","provider":"lcsh","revision":"e6dda55d5becfd20","taxonomy_revision":"f050b5d4780b1289","title":"Phonology, Historical","url":"/topics/S2002006230","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"868209575965368902","address_version":"morton4x16-v1","coordinates":[0,477,20675,22528],"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}