{"id":"S85137283","label":"Trench mortars","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85137283","normalized_label":"trench mortars","broader":["http://id.loc.gov/authorities/subjects/sh85087381","http://id.loc.gov/authorities/subjects/sh85095395"],"aliases":["Mine throwers","Trench guns"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85137283","provider":"lcsh","revision":"afebb198da6831f3","taxonomy_revision":"f050b5d4780b1289","title":"Trench mortars","url":"/topics/S85137283","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288454676591298112","address_version":"morton4x16-v1","coordinates":[0,20,19550,3072],"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}