{"id":"S2008108412","label":"Nitrogen--Fixation--Congresses","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2008108412","normalized_label":"nitrogen--fixation--congresses","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2008108412","provider":"lcsh","revision":"b0ad6c6cd6a92527","taxonomy_revision":"f050b5d4780b1289","title":"Nitrogen--Fixation--Congresses","url":"/topics/S2008108412","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14738034204961285668","address_version":"morton4x16-v1","coordinates":[0,478,50485,61440],"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}