Ugo Zanetti and Nathan P. Gibson (eds.), "CR de Levison" in last modified January 4, 2016, http://syriaca.org/bibl/849
    
        
            
                
                    
                        P.
                        Peeters
                    
                    CR de Levison
                    http://syriaca.org/bibl/849
                
                
                    Analecta Bollandiana
                    1
                    
                        1926
                    
                    44
                    163-164