{"id":"S2011001025","label":"Grumman Tracker (Antisubmarine aircraft)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2011001025","normalized_label":"grumman tracker (antisubmarine aircraft)","broader":["http://id.loc.gov/authorities/subjects/sh85057542","http://id.loc.gov/authorities/subjects/sh86005633"],"aliases":["Grumman S-2 (Antisubmarine aircraft)","Grumman S2F Tracker (Antisubmarine aircraft)","S-2 (Antisubmarine aircraft)","S2F (Antisubmarine aircraft)","Tracker (Antisubmarine aircraft)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2011001025","provider":"lcsh","revision":"f6548fefacbd9b41","taxonomy_revision":"f050b5d4780b1289","title":"Grumman Tracker (Antisubmarine aircraft)","url":"/topics/S2011001025","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"307383896188789350","address_version":"morton4x16-v1","coordinates":[0,479,30147,1024],"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}