{"id":"S85111827","label":"Reciprocity theorems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85111827","normalized_label":"reciprocity theorems","broader":["http://id.loc.gov/authorities/subjects/sh85082139"],"aliases":["Reciprocal theorems","Theorems, Reciprocity"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85111827","provider":"lcsh","revision":"1d7307f5bc46758f","taxonomy_revision":"f050b5d4780b1289","title":"Reciprocity theorems","url":"/topics/S85111827","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864911306799841792","address_version":"morton4x16-v1","coordinates":[0,20,19152,19456],"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}