Daniel L. Schwartz (eds.), "To the Monks of the Monastery of Mar Isaac" in last modified February 15, 2018, http://syriaca.org/work/3080
   
      
         
            To the Monks of the Monastery of Mar Isaac
            
               Severus of
               Antioch — 
                        ܣܘܝܪܝܘܣ
                        ܕܐܢܛܝܘܟܝܐ
                    
            
            http://syriaca.org/work/3080
            
            513-518
            A letter of Severus of Antioch appearing in the no-longer-extant large collection, The Letters of Severus, VIII.20.
            
               Brooks, A Collection of Letters of Severus of Antioch, fasc. 2
               
               84
               
                  
               
            
            
               Brooks, A Collection of Letters of Severus of Antioch, fasc. 2
               
               84
               en
               
                  
               
            
            
               Brooks, A Collection of Letters of Severus of Antioch, fasc. 2
               
               138
            
            
               
                  
                     part 8.20