entity_id,source_id,evidence_type,source_note ENT_MAN_UR,SRC_DROWER_MANDAEANS,scholarly attestation,"Attested in Drower, The Mandaeans of Iraq and Iran." ENT_MAN_UR,SRC_GINZA_RBA,direct attestation,Named in the Ginza Rba. ENT_MAN_UR,SRC_MANDAEAN_BOOK_JOHN,direct attestation,Ur (the chthonic monster/dragon of darkness) appears in the Book of John's cosmological passages; the primordial darkness that Ptahil encounters and partially defeats in creating the world