Thomas A. Carlson (ed.), "Mar Yahbalaha" in last modified January 14, 2014, http://syriaca.org/place/2494
    
        
            
                
                    Mar Yahbalaha
                    Mār Yahballāhā
                    Mār Iṯāllāhā
                    
                    
                        Khābūr district
                        Gāzartā region
                    
          
                    http://syriaca.org/place/2494
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        109, 110, 354