Ugo Zanetti and Nathan P. Gibson (eds.), "On the Martyrs of Najrân" in On the Martyrs of Najrân last modified January 4, 2016, http://syriaca.org/bibl/1023
    
        
            
                
                    
                        I.
                        Shahid
                    
                    On the Martyrs of Najrân
                    http://syriaca.org/bibl/1023
                    
                        Washington
                        1973