entity_id,source_id,evidence_type,source_note
ENT_SUF_DHUL_NUN,SRC_ATTAR_TADHKIRAT,primary text attestation,memorialized in Attar's Tadhkirat al-Awliya
ENT_SUF_DHUL_NUN,SRC_HUJWIRI_KASHF,direct attestation,Life and sayings of Dhul-Nun al-Misri.
ENT_SUF_DHUL_NUN,SRC_SCHIMMEL_SUFISM,scholarly attestation,Schimmel on Dhul-Nun and the doctrine of marifa.