Thomas A. Carlson (ed.), "Tīs" in last modified January 14, 2014, http://syriaca.org/place/1779
    
        
            
                
                    Tīs
                    
                    
                        Shemsdīn district
                        Hakkārī region
                    
          
                    http://syriaca.org/place/1779
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        281, 305, 365, 366, 367