Ugo Zanetti and Nathan P. Gibson (eds.), "Abrahám de Natpar" in last modified January 4, 2016, http://syriaca.org/bibl/1111
    
        
            
                
                    
                        F.
                        del Río Sánchez
                    
                    Abrahám de Natpar
                    http://syriaca.org/bibl/1111
                
                
                    Studia monastica
                    
                        2000
                    
                    42
                    1
                    53-63