Thomas A. Carlson (ed.), "Īsīrā" in last modified May 12, 2014, http://syriaca.org/place/1350
    
        
            
                
                    Īsīrā
                    
                    
                        Shemsdīn district
                        Hakkārī region
                    
          
                    http://syriaca.org/place/1350
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
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