{"id":"S2012002897","label":"McDonnell Douglas DC-9 (Jet transport)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2012002897","normalized_label":"mcdonnell douglas dc-9 (jet transport)","broader":["http://id.loc.gov/authorities/subjects/sh85039206","http://id.loc.gov/authorities/subjects/sh85070173","http://id.loc.gov/authorities/subjects/sh85082560"],"aliases":["DC-9 (Jet transport)","Douglas DC-9 (Jet transport)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2012002897","provider":"lcsh","revision":"50d7b1edfd30a846","taxonomy_revision":"f050b5d4780b1289","title":"McDonnell Douglas DC-9 (Jet transport)","url":"/topics/S2012002897","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5207296150423626278","address_version":"morton4x16-v1","coordinates":[0,479,45801,17408],"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}