Daniel L. Schwartz and Nathan P. Gibson (eds.), "Graf, Geschichte der christlichen arabischen Literatur, vol. 5: Register" in last modified October 26, 2015, http://syriaca.org/bibl/687
    
        
            
                
                    
                        
                        
                            Georg
                            Graf
                        
                    
                    Register
                    http://syriaca.org/bibl/687
                    
                        Biblioteca Apostolica Vaticana
                        Vatican City
                        1953
                    
                
                
                    
                        
                        
                            Georg
                            Graf
                        
                    
                    Geschichte der christlichen arabischen Literatur
                    http://syriaca.org/bibl/682
                    
                        Biblioteca Apostolica Vaticana
                        Vatican City
                        1944-1953
                    
                    5 vols.
                    5
                
                
                    Studi e Testi
                    172