entity_id,source_id,evidence_type,source_note ENT_MAN_JORDAN,SRC_DROWER_MANDAEANS,scholarly attestation,"Attested in Drower, The Mandaeans of Iraq and Iran." ENT_MAN_JORDAN,SRC_GINZA_RBA,direct attestation,Named in the Ginza Rba. ENT_MAN_JORDAN,SRC_MANDAEAN_BOOK_JOHN,direct attestation,The Jordan (Yardna) as the ritual river of baptism is central to the Book of John; John the Baptist's role as the master of baptism (maşbuta) in living water is the theological heart of the text; the celestial Jordan as the archetypal river of life