{"id":"S2009001234","label":"Pedagogical content knowledge","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009001234","normalized_label":"pedagogical content knowledge","broader":[],"aliases":["Knowledge, Pedagogical content","PCK (Pedagogical content knowledge)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009001234","provider":"lcsh","revision":"84830e739c636125","taxonomy_revision":"f050b5d4780b1289","title":"Pedagogical content knowledge","url":"/topics/S2009001234","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5495728853827855904","address_version":"morton4x16-v1","coordinates":[0,478,64436,18432],"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}