Ugo Zanetti and Nathan P. Gibson (eds.), "Further reflections on the sources for the Najran martyrs" in Arabian Studies in Honour of Mahmoud Ghul last modified January 4, 2016, http://syriaca.org/bibl/1026
    
        
            
                
                    
                        I.
                        Shahid
                    
                    Further reflections on the sources for the Najran
                     martyrs
                    http://syriaca.org/bibl/1026
                
                
                    
                        M.M.
                        Ibrahim
                    
                    Arabian Studies in Honour of Mahmoud Ghul
                    
                        Wiesbaden
                        1989
                    
                    161-172