Country codes: identity spine + code crosswalk
entity_id entity_id entity_id key String code_authority String code_type String code_value String code_class String is_canonical String notes String entity_id entity_id canonical_alpha2 country_alpha2 canonical_alpha2 entity_jurisdiction canonical_alpha2 Alpha-2 Code entity_id key String wikidata_qid String canonical_alpha2 key String canonical_alpha3 String canonical_name String Datasets that join to Countries in the Mycorr graph.