{"id":"S86007564","label":"Automobiles--Motors--Mufflers--Acoustic properties","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh86007564","normalized_label":"automobiles--motors--mufflers--acoustic properties","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh86007564","provider":"lcsh","revision":"c2925af6a9bbe21d","taxonomy_revision":"f050b5d4780b1289","title":"Automobiles--Motors--Mufflers--Acoustic properties","url":"/topics/S86007564","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4649966632511620608","address_version":"morton4x16-v1","coordinates":[0,20,33148,12288],"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}