Thomas A. Carlson (ed.), "Ṭal" in last modified January 14, 2014, http://syriaca.org/place/787
    
        
            
                
                    Ṭal
                    Tal
                    Ṭāl
                    
                    
                        Hakkārī region
                    
          
                    http://syriaca.org/place/787
                    
                        The Gorgias Encyclopedic Dictionary of the Syriac Heritage
                        
                        186
                    
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        282, 285, 287, 299, 357, 366