entity_id,source_id,evidence_type,source_note
ENT_PROTOGONOS,SRC_ORPHIC_HYMNS,direct attestation,"Orphic Hymn 6 (To Protogonos/Phanes, the firstborn)."
ENT_PROTOGONOS,SRC_THEOI_GODS,index attestation,Attested in Theoi Greek Gods category index.
ENT_PROTOGONOS,SRC_THEOI_HOME,index attestation,"Attested in Theoi Project index (Greek gods, spirits, heroes in classical literature)."