Thomas A. Carlson (ed.), "Dirgīni" in last modified January 14, 2014, http://syriaca.org/place/1167
    
        
            
                
                    Dirgīni
                    
                    
                        Ṣapnā district
                        ʿAmādīyā region
                    
          
                    http://syriaca.org/place/1167
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        132, 133, 135, 139, 150