David A. Michelson, Thomas A. Carlson and Nathan P. Gibson, (eds.), "Symmachus — ܣܘܡܟܘܣ " in last modified August 17, 2016, http://syriaca.org/person/1084
    
        
            
                
                    
                        Symmachus
                    
                    
                        Symmachus
                    
                    
                        ܣܘܡܟܘܣ
                    
                    
                    http://syriaca.org/person/1084
                    http://viaf.org/viaf/sourceID/SRP|person_1084
                    
                        The Gorgias Encyclopedic Dictionary of the Syriac Heritage
                        
                        524
                        387
                    
                
                
                    
                        Not the same as the other Symmachus (http://syriaca.org/person/761) in GEDSH, nor as the Symmachus (http://syriaca.org/person/842) mentioned by ʿAbdishoʿ or the Symmachus (http://syriaca.org/person/1062) mentioned by Barsoum.