entity_id,source_id,evidence_type,source_note
ENT_CHARON,SRC_APOLLODORUS_LIBRARY,scholarly attestation,Library mentions Charon in underworld context; the ferryman of the dead who takes souls across the Styx
ENT_CHARON,SRC_THEOI_HOME,index attestation,"Attested in Theoi Project index (Greek gods, spirits, heroes in classical literature)."
ENT_CHARON,SRC_THEOI_UNDERWORLD,index attestation,Literary attestation in classical/mythographic tradition; cult evidence varies by entity.