James E. Walters, David A. Michelson and Thomas A. Carlson, (eds.), "Joseph I of Seleucia-Ctesiphon — ܝܘܣܦ ܩܕܡܝܐ " in last modified August 17, 2016, http://syriaca.org/person/812
    
        
            
                
                    
                        Yawsep
                        I
                        of Seleucia-Ctesiphon
                    
                    
                        ܝܘܣܦ
                        ܩܕܡܝܐ
                    
                    
                        ܝܘܣܦ
                    
                    
                        ܝܵܘܣܸܦ
                    
                    
                        Joseph
                        I
                        of Seleucia-Ctesiphon
                    
                    Joseph the Catholicos
                    Ioseph (Jauseph) Katholikos
                    http://syriaca.org/person/812
                    http://viaf.org/viaf/sourceID/SRP|person_812
                    
                        Cath. (552-67), successor of Mar Aba I, in a period of tension between the Church
            and the Persian authorities.
                    
                    570
                    
                        552-567
                    
                    
                        Ch. of E.
                    
                    
                        
                            
                                L.
                                Van Rompay
                            
                        
                        Yawsep I of Seleucia-Ctesiphon
                        The Gorgias Encyclopedic Dictionary of the Syriac Heritage
                        
                        435
                    
                    
                        ܟܬ̣ܵܒ̣ܵܐ ܕܡܸܬ̣ܩܪܸܐ ܡܪܓܢܝܬ̣ܐ ܕܥܲܠ ܫܪܵܪܵܐ ܕܲܟ̣ܪܸܣܛܝܵܢܘܼܬ̣ܵܐ
                        
                        82
                    
                    
                        Bibliotheca Orientalis Clementino-Vaticana
                        
                        III:279
                    
                    
                        Baumstark, Geschichte der syrischen Literatur mit Ausschluß der christlich-palästinensischen Texte
                        
                        124
                    
                    
                        Ortiz de Urbina, Patrologia Syriaca
                        
                        62