{"id":"S85051668","label":"Free ports and zones","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85051668","normalized_label":"free ports and zones","broader":["http://id.loc.gov/authorities/subjects/sh85051682","http://id.loc.gov/authorities/subjects/sh85058838"],"aliases":["Foreign trade zones","Free harbors","Free trade zones","Free zones","Zones, Free trade"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85051668","provider":"lcsh","revision":"9abc949a0395ff66","taxonomy_revision":"f050b5d4780b1289","title":"Free ports and zones","url":"/topics/S85051668","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"866947618377434624","address_version":"morton4x16-v1","coordinates":[0,20,18212,20480],"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}