{"id":"S2010101759","label":"Migration, Internal--United States--History--20th century","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2010101759","normalized_label":"migration, internal--united states--history--20th century","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2010101759","provider":"lcsh","revision":"997bdcafbced28dd","taxonomy_revision":"f050b5d4780b1289","title":"Migration, Internal--United States--History--20th century","url":"/topics/S2010101759","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9857478269958776422","address_version":"morton4x16-v1","coordinates":[0,479,16095,64512],"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}