Daniel L. Schwartz and Nathan P. Gibson (eds.), "List of Patriarchs of the Main Syriac Churches in the Middle East" in The Gorgias Encyclopedic Dictionary of the Syriac Heritage last modified October 29, 2015, http://syriaca.org/bibl/681
    
        
            
                
                    
                        Samuel
                        Burleson
                    
                    
                        Lucas
                        Van Rompay
                    
                    List of Patriarchs of the Main Syriac Churches in the Middle East
                    http://syriaca.org/bibl/681
                
                
                    
                        
                            Sebastian
                            P.
                            Brock
                        
                    
                    
                        
                            Aaron
                            M.
                            Butts
                        
                    
                    
                        
                            George
                            A.
                            Kiraz
                        
                    
                    
                        
                            Lucas
                            Van Rompay
                        
                    
                    The Gorgias Encyclopedic Dictionary of the Syriac Heritage
                    http://syriaca.org/bibl/1
                    
                        Gorgias Press
                        Piscataway, NJ
                        
                        2011
                    
                    481-491