Ugo Zanetti and Nathan P. Gibson (eds.), "Isho‘yaw le Grand. Vie du Catholicos nestorien Isho‘yaw III d’Adiabène (580-659)" in last modified January 4, 2016, http://syriaca.org/bibl/1050
    
        
            
                
                    
                        J.-M.
                        Fiey
                    
                    Isho‘yaw le Grand. Vie du Catholicos nestorien
                     Isho‘yaw III d’Adiabène (580-659)
                    http://syriaca.org/bibl/1050
                
                
                    Orientalia christiana periodica
                    100
                    
                        1969
                    
                    35
                    305-333
                
                
                    Orientalia christiana periodica
                    100
                    
                        1970
                    
                    36
                    5-46
                
                article spanning multiple volumes