{"id":"S85037845","label":"Diesel motor--Pistons","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85037845","normalized_label":"diesel motor--pistons","broader":["http://id.loc.gov/authorities/subjects/sh85102475"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85037845","provider":"lcsh","revision":"c709ef12e7230ce3","taxonomy_revision":"f050b5d4780b1289","title":"Diesel motor--Pistons","url":"/topics/S85037845","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"866956397353518592","address_version":"morton4x16-v1","coordinates":[0,20,17996,21504],"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}