{"id":"S87003526","label":"Mutation (Phonetics)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh87003526","normalized_label":"mutation (phonetics)","broader":["http://id.loc.gov/authorities/subjects/sh85056316","http://id.loc.gov/authorities/subjects/sh85101053"],"aliases":["Fortition (Phonetics)","Grammar, Comparative and general--Mutation","Lenition (Phonetics)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh87003526","provider":"lcsh","revision":"646b3a4005c21604","taxonomy_revision":"f050b5d4780b1289","title":"Mutation (Phonetics)","url":"/topics/S87003526","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4633293895881590336","address_version":"morton4x16-v1","coordinates":[0,20,48710,6144],"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}