{"id":"S93006086","label":"Airplanes--Scramjet engines","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh93006086","normalized_label":"airplanes--scramjet engines","broader":["http://id.loc.gov/authorities/subjects/sh85002884"],"aliases":["Ramjet engines, Supersonic combustion","Ramjet-scramjet engines","Scramjet engines, Aircraft","Supersonic combustion ramjet engines"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh93006086","provider":"lcsh","revision":"d619984ce6928794","taxonomy_revision":"f050b5d4780b1289","title":"Airplanes--Scramjet engines","url":"/topics/S93006086","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"20481703680280096","address_version":"morton4x16-v1","coordinates":[0,22,11428,6144],"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}