{"id":"S2013002533","label":"Type XXI U-boat","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2013002533","normalized_label":"type xxi u-boat","broader":["http://id.loc.gov/authorities/subjects/sh85129487"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2013002533","provider":"lcsh","revision":"917713bcd427aa95","taxonomy_revision":"f050b5d4780b1289","title":"Type XXI U-boat","url":"/topics/S2013002533","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14143638495004091938","address_version":"morton4x16-v1","coordinates":[0,479,61420,37888],"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}