{"id":"S00003766","label":"Eighteen forties","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh00003766","normalized_label":"eighteen forties","broader":["http://id.loc.gov/authorities/subjects/sh85091984"],"aliases":["1840s","40s (Nineteenth century decade)","Forties (Nineteenth century decade)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh00003766","provider":"lcsh","revision":"075eb1f8f45fb232","taxonomy_revision":"f050b5d4780b1289","title":"Eighteen forties","url":"/topics/S00003766","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9802225326464712768","address_version":"morton4x16-v1","coordinates":[0,0,58,55296],"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}