Ugo Zanetti and Nathan P. Gibson (eds.), "Early Syrian Asceticism" in last modified January 4, 2016, http://syriaca.org/bibl/892
    
        
            
                
                    
                        S.P.
                        Brock
                    
                    Early Syrian Asceticism
                    http://syriaca.org/bibl/892
                
                
                    Numen
                    
                        1973
                    
                    20
                    1-19