{"id":"S2019001861","label":"Megacities","description":"Here are entered general works on cities with more than ten million inhabitants. The heading may be divided geographically by names of individual regions, countries, states, etc. Works on specific cities with more than ten million inhabitants are entered under the appropriate specific heading, e.g., [New York (N.Y.)--Social life and customs; Experimental theater--New York (State)--New York.]","source_url":"https://id.loc.gov/authorities/subjects/sh2019001861","normalized_label":"megacities","broader":["http://id.loc.gov/authorities/subjects/sh85026130"],"aliases":["Mega-cities","Megalopolises"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2019001861","provider":"lcsh","revision":"f5f0d85f3669c9ff","taxonomy_revision":"f050b5d4780b1289","title":"Megacities","url":"/topics/S2019001861","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"291691922796593154","address_version":"morton4x16-v1","coordinates":[0,481,24088,5120],"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}