{"id":"S2016002142","label":"Operation Linebacker II, 1972","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2016002142","normalized_label":"operation linebacker ii, 1972","broader":["http://id.loc.gov/authorities/subjects/sh85143280"],"aliases":["Christmas Bombings, Vietnam, 1972","Eleven-Day War, Vietnam, 1972","Linebacker II, Operation, 1972"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2016002142","provider":"lcsh","revision":"7e5f5b3ffea4c197","taxonomy_revision":"f050b5d4780b1289","title":"Operation Linebacker II, 1972","url":"/topics/S2016002142","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5244587202828042244","address_version":"morton4x16-v1","coordinates":[0,480,42753,30720],"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}